Molecular formula - There are several different types of formulae used to describe organic molecules. The molecular formula of an organic compound is the simplest type of ...

 
Here are the word equations above, repeated using formulas: HCl (aq) + NaOH (aq) ---> NaCl (aq) + H 2 O (ℓ) Only full formulas (never words or ions) are involved in a complete molecular equation. Ions (never words) will be used for the complete ionic equation and the net ionic equation, which will follow just below.. Rainy night in georgia

The molar concentration of the solute is sometimes abbreviated by putting square brackets around the chemical formula of the solute. For example, the concentration of chloride ions in a solution can be written as [Cl −] ‍ . …The formula for ethyl alcohol or ethanol is C 2 H 5 OH or CH 3 CH 2 OH. Ethanol is a compound of carbon, hydrogen and oxygen elements was described by Antoine Lavoisier and its chemical formula was determined by Nicolas-Theodore de Saussure in 1808. Five years later, Archibald Scott Couper published the structural formula of ethanol.Molecular formula definition: . See examples of MOLECULAR FORMULA used in a sentence.Determine the empirical and molecular formula for chrysotile asbestos. Chrysotile has the following percent composition: 28.03% Mg, 21.60% Si, 1.16% H, and 49.21% O. The molar mass for chrysotile is 520.8 g/mol. Answer . Mg 3 Si 2 H 3 O 8 (empirical formula), Mg 6 Si 4 H 6 O 16 (molecular formula)A molecular formula is a representation of a molecule that uses chemical symbols to indicate the types of atoms followed by subscripts to show the number of atoms of each type in the molecule. (A subscript is used only when more than one atom of a given type is present.) Molecular formulas are also used as abbreviations for the names of compounds. Number of Molecules = 2.1063 ∗ 10 24. Now we have to perform moles to grams calculation: Molar Mass = 107.868. (for calculations, tap Molar Mass Calculator) By using moles to grams formula: m = n ∗ M. m = 38.99 ∗ 107.868. m = 4205.77332 g. You can also verify the results by fetching the values in our free moles to grams calculator.The key to calculating the formula mass of an ionic compound is to correctly count each atom in the formula and multiply the atomic masses of its atoms accordingly. Example 5.11.1 5.11. 1. Use the atomic masses (rounded to two decimal places) to determine the formula mass for each ionic compound. FeCl 3.The molecular formula is abridged to CnHm and the Degree of Unsaturation Formula is given by \(\begin{array}{l}Degree\ of\ Unsaturation = n -\frac{m}{2}+1\end{array} \) The degree of unsaturation designates the number of π …A study of abdominal pain and severity of other side effects attributed to Picolax, a combination of citric acid, magnesium oxide and sodium picosulfate, was conducted among 267 patients, 55 of whom had inflammatory bowel disease, all of whom were given a full single dose of Picolax as preparation for radiology or endoscopy. The frequency of …Benzoic Acid | C6H5COOH or C7H6O2 | CID 243 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities ...We will talk about what empirical formula and molecular formula are, how they are different, and we'll learn how to write the empirical formula for a compoun...Mar 26, 2020 · 2.5: Molecular Compounds- Formulas and Names is shared under a not declared license and was authored, remixed, and/or curated by LibreTexts. Molecular compounds can form compounds with different ratios of their elements, so prefixes are used to specify the numbers of atoms of each element in a molecule of the compound. Examples include …. To correctly estimate the number of moles, n, of a substance of a specific mass, m, (in grams), you need to follow the grams to moles formula: n = m / M,. where: M is the molar mass of this material. The unit is typically g/mol.; But wait, what actually is a mole? The mole is the SI unit of measurement for the amount of a substance.PUGVIEW.ServerBusy Too many requests or server too busy. Acetic Acid | CH3COOH or C2H4O2 | CID 176 - structure, chemical names, physical and chemical properties, classification, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more.Feb 17, 2020 · The molecular formula is a multiple of the empirical formula. We were given the molecular weight of the molecule, 180.18 g/mol. Divide this number by the molecular weight of the empirical formula to find the number of empirical formula units that make up the compound. Journal of Medicinal Chemistry has selected the use of the Simplified Molecular Input Line Entry System (SMILES) as its preferred notation method for molecular ...To calculate the empirical formula, enter the composition (e.g. C=40%, H=6.67%, O=53.3%) of the compound. Enter an optional molar mass to find the molecular formula. Percentages can be entered as decimals or percentages (i.e. 50% can be entered as .50 or 50%.) To determine the molecular formula, enter the appropriate value for the molar mass. Mar 26, 2020 · 2.5: Molecular Compounds- Formulas and Names is shared under a not declared license and was authored, remixed, and/or curated by LibreTexts. Molecular compounds can form compounds with different ratios of their elements, so prefixes are used to specify the numbers of atoms of each element in a molecule of the compound. Examples include …. 10: Hydrogen. 2: Oxygen. 4: Nitrogen. Hence, the molecular formula is C8H10N4O2. As we know 2 is the common factor of 8, 10, 4 and 2. The empirical formula is C4H5N2O. Example 2: The empirical formula is BH3 of boron hydride. Calculate the molecular formula given the measured mass is 27.66.The simplest whole number ratio of hydrogens to carbon atoms is four hydrogen atoms to every carbon atom. Because CH 4 is also the molecular formula this specifies that in a molecule of methane, four hydrogen atoms are bonded to a single carbon atom. The empirical formula for water, H 2 O, is also the correct molecular formula for water.A molecular formula is an expression of the number and type of atoms that are present in a single molecule of a substance. It represents the actual formula of a …Molecular Formulas: The empirical formula represents the lowest whole number ratio of the elements in a molecule while the molecular formula represents the actual formula of the molecule.Both Benzene (C 6 H 6, molar mass = 78.12g/mol) and acetylene (C 2 H 2, molar mass = 26.04g/mol) have the same percent composition (92.24 mass% carbon and …3.1 Molecular and Ionic Compounds (Video) 3.2 Molecular Formulas (Video) 3.4 Molar Masses of Compounds (Video) 3.5 Percent Composition (Video) 3.6 …or. n = [Molecular Weight] [Empirical Weight] (2.11.6) (2.11.6) n = [Molecular Weight] [Empirical Weight] So you calculate the Empirical formula as above, then determine the weight of one mole, divide that into the molar mass, and that tells you how many times it is bigger, and then multiple the emprical formula by that number. Functional group isomerism. In this variety of structural isomerism, the isomers contain different functional groups - that is, they belong to different families of compounds (different homologous series). Example 3: Isomers in C 3 H 6 O. A molecular formula C3H6O C 3 H 6 O could be either propanal (an aldehyde) or propanone (a ketone).To calculate the empirical formula, enter the composition (e.g. C=40%, H=6.67%, O=53.3%) of the compound. Enter an optional molar mass to find the molecular formula. Percentages can be entered as decimals or percentages (i.e. 50% can be entered as .50 or 50%.) To determine the molecular formula, enter the appropriate value for the molar …Mar 28, 2023 · The number of moles can be calculated using the following formula: n = PV/RT. [2] In this formula, n is the number of moles, P is the pressure, V is the volume, T is the temperature in Kelvin, and R is the gas constant. Example: n = PV/RT = (0.984 atm * 1 L) / (0.08206 L atm mol-1 K-1 * 318.15 K) = 0.0377 mol 3 Solved Examples for Molecular Formula. Q 1] The empirical formula of a compound of boron and hydrogen is BH 3. Its molar mass is 27.7g/mol. Determine the molecular formula of the compound. Solution: First of all, …Multiply 'til Whole. For Example: NutraSweet is 57.14% C, 6.16% H, 9.52% N, and 27.18% O. Calculate the empirical formula of NutraSweet and find the molecular formula. (The molar mass of NutraSweet is 294.30 g/mol) Start with the number of grams of each element, given in the problem. If percentages are given, assume that the total mass is 100 ...Aspartame is the artificial sweetener sold as NutraSweet and Equal. Its molecular formula is C 14 H 18 N 2 O 5. Calculate the mass percentage of each element in aspartame. Calculate the mass of carbon in a 1.00 g packet of Equal, assuming it is pure aspartame. Given: molecular formula and mass of sample.A molecular formula is an expression of the number and type of atoms that are present in a single molecule of a substance. It represents the actual formula of a …A nitrogen atom must gain three electrons to have the same number of electrons as an atom of the following noble gas, neon. Thus, a nitrogen atom will form an anion with three more electrons than protons and a charge of 3−. The symbol for the ion is N 3−, and it is called a nitride ion. Exercise 3.4.2 3.4. 2.The molecular formula for urea is CH 4 N 2 O. This compound is made up of a carbonyl (C=O) group attached to two nitrogen groups (NH2). A carbonyl carbon is one that is double bonded to oxygen.The chemical or molecular formula of citric acid is given below along with its extended form. Molecular or Chemical Formula of Citric Acid. C 6 H 8 O 7. Extended Formula of Citric Acid. CH 2 COOH – COHCOOH-CH 2 COOH. Citric acid has several health benefits and it improves kidney health, removes acne, etc.Structural Formulas. Molecular formulas are a representation of the number of atoms of each element present in a molecule. For example, the molecular formula of ...Properties Of Calcium Chloride Formula. The chemical formula of calcium chloride is CaCl2. Calcium chloride is hygroscopic, deliquescent, and dissolves in water exothermically. Chemical formula. CaCl 2. Molecular weight. 110.98 g/mol. Density. 2.15 g/cm 3 …The molecular formula of copper(II) sulfate is CuSO4. Its chemical name is cupric sulphate. Copper has two oxidation states of +2 and +1. In CuSO4, the copper ion has oxidation sta...A study of abdominal pain and severity of other side effects attributed to Picolax, a combination of citric acid, magnesium oxide and sodium picosulfate, was conducted among 267 patients, 55 of whom had inflammatory bowel disease, all of whom were given a full single dose of Picolax as preparation for radiology or endoscopy. The frequency of …Feb 17, 2020 · The molecular formula is a multiple of the empirical formula. We were given the molecular weight of the molecule, 180.18 g/mol. Divide this number by the molecular weight of the empirical formula to find the number of empirical formula units that make up the compound. Isopropyl alcohol commonly referred to as Isopropanol or n-propanol or dimethylcarbinol is a colourless and flammable liquid with the formula C 3 H 8 O. Isopropyl alcohol is widely employed in solvent applications. Isopropyl alcohol was one of the first petrochemical products to be manufactured and produced in 1920.We will talk about what empirical formula and molecular formula are, how they are different, and we'll learn how to write the empirical formula for a compoun...Aug 22, 2020 · The molecular formula is a multiple of the empirical formula. For example, the empirical formula of hexane is C 3 H 7, while its molecular formula is C 6 H 14. Both subscripts in the empirical formula were multiplied by 2 to get the molecular formula. Empirical vs Molecular Formula. Here is a simple comparison of the empirical versus molecular ... A molecular formula is a representation of a molecule that uses chemical symbols to indicate the types of atoms followed by subscripts to show the number of atoms of each …The utilization of whole-blood gene expression studies has surfaced as a potentially effective method for exploring the molecular mechanisms implicated in …Molecular mass is the sum of the masses of all the individual atoms present in a molecule or compound. Carbon dioxide is an acidic gas which releases during respiration. The chemical formula of Carbon dioxide is CO 2. The atomic mass of Carbon C is 12 u. The atomic mass of hydrogen H is 1 u.Here are the word equations above, repeated using formulas: HCl (aq) + NaOH (aq) ---> NaCl (aq) + H 2 O (ℓ) Only full formulas (never words or ions) are involved in a complete molecular equation. Ions (never words) will be used for the complete ionic equation and the net ionic equation, which will follow just below.In the molecular equation for a reaction, all of the reactants and products are represented as neutral molecules (even soluble ionic compounds and strong acids). In the complete ionic equation, soluble ionic compounds and strong acids are rewritten as dissociated ions. In the net ionic equation, any ions that do not participate in the reaction ...The molecular formula for the same compound will equal to n × (CH 2), in other words, the molecular formula for this compound will be C n H 2n. Using the periodic table of the elements we can determine the empirical formula mass of this compound(CH 2): 12.01 + (2 × 1.008) = 14.026Calculating Molecular Formula ... Work out the mass of the empirical formula. Take the molecular mass and divide by the result from the previous step. Multiply ...Height HTML code. You can use the HTML code below to embed the current 3D model in your website. Embed URLLet the molecular formula of the compound be (C3H7)n. Given, Molar mass of compound =86.2. Molar mass of (C3H7)n=n(3×12+7)=n(43). ⇒n(43)=86.2. ⇒n≈2. So, ...The formula of an ionic compound must have a ratio of ions such that the numbers of positive and negative charges are equal. Example \(\PageIndex{3}\): Predicting the Formula of an Ionic Compound The gemstone sapphire (Figure \(\PageIndex{4}\)) is mostly a compound of aluminum and oxygen that contains aluminum cations, Al 3+ , and oxygen …The molecular formula of methane is \(\ce{CH_4}\) and because it contains only one carbon atom, that is also its empirical formula. Sometimes, however, the molecular formula is a simple whole-number multiple of the empirical formula. Acetic acid is an organic acid that is the main component of vinegar. Its molecular formula is …The chemical formula for a compound obtained by composition analysis is always the empirical formula. We can obtain the chemical formula from the empirical formula if we know the molecular weight of the compound. The chemical formula will always be some integer multiple of the empirical formula (i.e. integer multiples of the subscripts of the ... Formula and Molecular Weights. The formula weight of a substance is the sum of the atomic weights of each atom in its chemical formula.For example, water (H 2 O) has a formula weight of: \[2\times(1.0079\;amu) + 1 \times (15.9994 \;amu) = 18.01528 \;amu \nonumber \] If a substance exists as discrete molecules (as with atoms that are …5 Dec 2020 ... ... formula of a compound. I show you how to work out the empirical formula from the molecular formula and then I explain how to calculate the ...or. n = [Molecular Weight] [Empirical Weight] (2.11.6) (2.11.6) n = [Molecular Weight] [Empirical Weight] So you calculate the Empirical formula as above, then determine the weight of one mole, divide that into the molar mass, and that tells you how many times it is bigger, and then multiple the emprical formula by that number. May 20, 2018 · The molecular formula of methane is \(\ce{CH_4}\) and because it contains only one carbon atom, that is also its empirical formula. Sometimes, however, the molecular formula is a simple whole number multiple of the empirical formula. Acetic acid is an organic acid that is the main component of vinegar. Its molecular formula is \(\ce{C_2H_4O_2}\). Enter an equation of an ionic chemical equation and press the Balance button. The balanced equation will be calculated along with the solubility states, complete ionic equation, net ionic equation, spectator ions and precipitates. Use uppercase for the first character in the element and lowercase for the second character.The feasibility of an oxygen-independent mechanism of chloroform bioactivation was indicated by the covalent binding to lipid and protein occurring in anaerobic incubations of chloroform and microsomes in the presence of NADPH.Under these conditions, the loss of cytochrome p450 and the inhibition of related mono-oxygenases were also observed. …Oct 12, 2020 · Aspartame is the artificial sweetener sold as NutraSweet and Equal. Its molecular formula is C 14 H 18 N 2 O 5. Calculate the mass percentage of each element in aspartame. Calculate the mass of carbon in a 1.00 g packet of Equal, assuming it is pure aspartame. Given: molecular formula and mass of sample. Molar concentration, also known as molarity, and can be denoted by the unit M, molar. To prepare 1 L of 0.5 M sodium chloride solution, then, as per the formula, use 29.22 g of sodium chloride (0.5 mol/L * 1L * 58.44 g/mol = 29.22 g). The mass molarity calculator tool calculates the mass of compound required to achieve a specific molar ...Molecular Formula: The actual formula for a molecule. Problem: A compound is 75.46% carbon, 4.43% hydrogen, and 20.10% oxygen by mass. It has a molecular weight of 318.31 g/mol. What is the molecular formula for this compound? Strategy: Find the empirical formula. molecular structure. A ball-and-stick model of molecular structure, showing atoms bonded together. (more) Molecules are held together by shared electron pairs, or covalent bonds. Such bonds are directional, meaning that the atoms adopt specific positions relative to one another so as to maximize the bond strengths.Example 10.13.1 10.13. 1: Determining the Molecular Formula of a Compound Step 1: List the known quantities and plan the problem. Known Empirical formula = BH3 = BH 3 Molar mass = 27.7g/mol = 27. Step 2: Calculate. Empirical formula mass (EFM) = 13.84 g/mol Empirical formula mass (EFM) = 13.84 ... Mar 26, 2020 · 2.5: Molecular Compounds- Formulas and Names is shared under a not declared license and was authored, remixed, and/or curated by LibreTexts. Molecular compounds can form compounds with different ratios of their elements, so prefixes are used to specify the numbers of atoms of each element in a molecule of the compound. Examples include …. chemical formula, any of several kinds of expressions of the composition or structure of chemical compounds. The forms commonly encountered are empirical, molecular, structural, and projection formulas. An empirical formula consists of symbols representing elements in a compound, such as Na for sodium and Cl for chlorine, and subscripts ... This service allows to retrieve information for a specific molecular formula. The molecular formula may include groups, charges, etc. The service can be accessed from Ajax and the server will return a JSON. Implementation. You may implement our tools for free on your server at the condition that you provide a link to “https://www.chemcalc.org”.The other product is water. Be sure to balance this equation. Molecular equation: H 2 SO 4(aq) + Ba(OH) 2(aq)---> BaSO 4(s) + 2H 2 O (l) So the molecular form of the equation is shown above. To write the ionic equation we must separate all aqueous species into their ions and leave any solid, liquid or gaseous substance in its molecular form.Determine the empirical and molecular formula for chrysotile asbestos. Chrysotile has the following percent composition: 28.03% Mg, 21.60% Si, 1.16% H, and 49.21% O. The molar mass for chrysotile is 520.8 g/mol. Answer . Mg 3 Si 2 H 3 O 8 (empirical formula), Mg 6 Si 4 H 6 O 16 (molecular formula)Step 1: Write the molecular formula for the molecule : XaYb. Step 2: Identify the symbols for each element present: X a Y b. Step 3: Rewrite the molecular formula as a list: X a. Y b. Step 4: Rewrite the list so that each subscript number becomes a number to multiply the symbol by: X multiplied by a.The other product is water. Be sure to balance this equation. Molecular equation: H 2 SO 4(aq) + Ba(OH) 2(aq)---> BaSO 4(s) + 2H 2 O (l) So the molecular form of the equation is shown above. To write the ionic equation we must separate all aqueous species into their ions and leave any solid, liquid or gaseous substance in its molecular form.Molarity (M) is a useful concentration unit for many applications in chemistry. Molarity is defined as the number of moles of solute in exactly 1 liter (1 L) of the solution: M = molsolute Lsolution. Example 4.5.1: Calculating Molar Concentrations. A 355-mL soft drink sample contains 0.133 mol of sucrose (table sugar).You can work out the molecular formula from the empirical formula, if you know the relative mass formula (M r) of the compound. Add up the atomic masses of the atoms in the empirical formula. The ... The hexahydrate form can be represented by the chemical formula Fe (SO 4 ) (NH 4) 2 (SO 4 ).6H 2 O. The molar mass of Mohr’s salt (in its anhydrous state) is equal to 284.05 grams per mole. The hexahydrate of Mohr’s salt is known to have a molar mass of 392.13 grams per mole. Under standard conditions for temperature and pressure (often ...Starch is a soft, white, tasteless powder that is insoluble in cold water, alcohol, or other solvents. The basic chemical formula of the starch molecule is (C 6 H 10 O 5) n. Starch is a polysaccharide comprising glucose monomers joined in α 1,4 linkages. The simplest form of starch is the linear polymer amylose; amylopectin is the branched form.Naming Binary Molecular Compounds. Recall that a molecular formula shows the number of atoms of each element that a molecule contains. A molecule of water contains two hydrogen atoms and one oxygen atom, so its formula is \(\ce{H_2O}\). A molecule of octane, which is a component of gasoline, contains 8 atoms of carbon and 18 atoms of …化学 において、 化学式 （かがくしき、chemical formula）は、特定の 化合物 や 分子 を構成する 原子 の化学的比率に関する情報を表す方法で、 化学元素 記号や数字に加え、丸括弧、ダッシュ、角括弧、コンマ、プラス (+) やマイナス (−) 記号などの他の記号 ... In this video we'll write the correct formula for Phosphoric acid.To write the formula for Phosphoric acid we’ll use the Periodic Table, a Common Ion Table, ...A molecular formula is a chemical formula of a molecular compound that shows the kinds and numbers of atoms present in a molecule of the compound. …Aug 22, 2020 · The molecular formula is a multiple of the empirical formula. For example, the empirical formula of hexane is C 3 H 7, while its molecular formula is C 6 H 14. Both subscripts in the empirical formula were multiplied by 2 to get the molecular formula. Empirical vs Molecular Formula. Here is a simple comparison of the empirical versus molecular ...

Figure 3.3.1 3.3. 1: A methane molecule can be represented as (a) a molecular formula, (b) a structural formula, (c) a ball-and-stick model, and (d) a space-filling model. Carbon and hydrogen atoms are represented by black and white spheres, respectively. Although many elements consist of discrete, individual atoms, some exist as molecules made ... . Franklin mint near me

molecular formula

molecular structure. A ball-and-stick model of molecular structure, showing atoms bonded together. (more) Molecules are held together by shared electron pairs, or covalent bonds. Such bonds are directional, meaning that the atoms adopt specific positions relative to one another so as to maximize the bond strengths.To correctly estimate the number of moles, n, of a substance of a specific mass, m, (in grams), you need to follow the grams to moles formula: n = m / M,. where: M is the molar mass of this material. The unit is typically g/mol.; But wait, what actually is a mole? The mole is the SI unit of measurement for the amount of a substance.Steps to Calculate Molecular formula of all Elements. The following steps can determine the molecule formula of a compound-. 1st Step: Calculate the empirical formula from percentage composition. 2nd Step: Calculate the Empirical Formula mass (EFM) by adding up the molar atomic masses of all atoms constituting the formula.Starch is a soft, white, tasteless powder that is insoluble in cold water, alcohol, or other solvents. The basic chemical formula of the starch molecule is (C 6 H 10 O 5) n. Starch is a polysaccharide comprising glucose monomers joined in α 1,4 linkages. The simplest form of starch is the linear polymer amylose; amylopectin is the branched form.The empirical formula of a compound is the simplest whole-number ratio of atoms, whereas the molecular formula is the total number of atoms present in a ...Nitrogen is a nonmetal and the lightest member of group 15 of the periodic table, often called the pnictogens. It is a common element in the universe, estimated at seventh in total abundance in the Milky Way and the Solar System. At standard temperature and pressure, two atoms of the element bond to form N 2, a colorless and odorless diatomic gas.The molecular mass is essentially twice the formula mass (60/29 = 2.1), so the simplest formula must be multiplied by 2 to get the molecular formula: molecular formula of butane = 2 x C2H5 = C4H10. Answer. The molecular formula for butane is C4H10. This worked example problem demonstrates how to use the simplest formula of …For example, we have already seen CH 4, the molecular formula for methane. Below is the molecular formula of ammonia, NH 3. NH 3. An arrow points to the N and says, "The lack of a subscript on the N symbol indicates that there is 1 atom of nitrogen in a molecule of ammonia". An arrow points to H and says, "The subscript below the H symbol ...Let the molecular formula of the compound be (C3H7)n. Given, Molar mass of compound =86.2. Molar mass of (C3H7)n=n(3×12+7)=n(43). ⇒n(43)=86.2. ⇒n≈2. So, ...Using our Molecular Weight Calculator we can easily get 30.026 g/mol. Next, we divide the molecular weight of the substance under study by the just found molecular weight of the empirical formula and obtain: 180.16 / 30.026 = 5.954. After rounding this result to a whole number we have n = 6, and obtain the molecular formula of glucose: C 6 H 12 ... The key to calculating the formula mass of an ionic compound is to correctly count each atom in the formula and multiply the atomic masses of its atoms accordingly. Example 5.11.1 5.11. 1. Use the atomic masses (rounded to two decimal places) to determine the formula mass for each ionic compound. FeCl 3.The molecular formula is a multiple of the empirical formula. For example, the empirical formula of hexane is C 3 H 7, while its molecular formula is C 6 H 14. Both subscripts in the empirical formula …Updated on May 06, 2022. Carbon dioxide normally occurs as a colorless gas. In solid form, it is called dry ice. The chemical or molecular formula for carbon dioxide is CO 2. The central carbon atom is joined to two oxygen atoms by covalent double bonds. The chemical structure is centrosymmetric and linear, so carbon dioxide has no electric ...Molecular formulas describe the exact number and type of atoms present in a single molecule of a compound. The constituting elements of a compound are ….

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