212.01) el1.008) Fo-4lo. Potassium manganate is a dark green, crystalline substance whose composition is 39.6% K, 27.9% Mn, and 32.5% O, by mass. What is its empirical formula?-

Q: (2)co 2) A sample of the hydrate of cobalt (II) sulfate had a mass of 3.326g. After heating, the…

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Q: An organic compound consists of carbon, hydrogen and sulfur only. The percentage of carbon by mass…

A: For calculation of Molecular formula, first of all we calculate the % of each atom , empirical…

Q: Menthol is a flavoring agent extracted from peppermint oil. It contains C, H, and O. In one…

A: no of moles=mass/molar mass General Empirical formula  Cx H 2x Oy

Q: An organic compound consists of carbon, hydrogen and nitrogen only. Complete combustion of a 150. mg…

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Q: balance the following equation C6H6(I)+ O2 (g)---> H2O (g)+ CO2 (g)

A: Given reaction is combustion of hydrocarbons.  Hydrocarbons on combustion gives CO2 and H2O as final…

Q: Stoichiometry

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Q: Balance the following chemical equation CB,H.(g) + O₂(g) - > CO₂(g) + H₂O(g)

A: Is an equation in which the number of atoms for each element in the reaction and the total charged…

Q: 5A. Sorbitol, used as a sweetener in some sugar-free foods, has a molecular mass of 182 u and a mass…

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Q: Cobalt(II) chloride forms several hydrates with the general formula CoCl2·xH2O, where x is an…

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Q: A compound containing hydrogen, H; boron, B; and oxygen, O, is analyzed and found to be 3.90%…

A: The empirical formula of a chemical compound is the simplest whole-number ratio of the atoms in the…

Q: Calculate the mass percent of carbon in glucose (C6H12O6).

A: Dear student, since you have asked multiple questions but according to guidelines we will solve 1st…

Q: Balance the equation  si2h3(s)+o(g)-->sio2(g)+h2o(g)

A: Recall the given reaction,                               Si2H3 s  +  O2 g  →  SiO2 g  +  H2O gWe…

Q: Iron(II) sulfate forms several hydrates with the general formula FeSO4·xH2O, where x is an integer.…

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Q: (a) What is the difference between adding subscript 2 to the end of the formula for CO to give CO2…

A: From given  Subdivision a) is solved with the relation of CO2 and CO when coefficient is added in…

Q: 2: Find the number of K* ions in 3.41 mol of K,HPO4? 3: Find the amount of the indicated element (in…

A: 1 mole of any compound has 6.023*1023 molecules or atoms. Moles = given mass of compound/molar mass…

Q: Polyethylene is a polymer consisting of only carbon and hydrogen. If 2.300 g of the polymer is…

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Q: (c) An organic compound consists of carbon, hydrogen and sulfur only. The percentage of carbon by…

A: We have to find empirical formula for given compound

Q: Straight-chain, saturated carboxylic acids, a class of hydrocarbons, has the general formula…

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Q: Copper(II) sulfate forms several hydrates with the general formula CuSO4·xH2O, where x is an…

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Q: empirical formula?

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Q: what is the empirical formula for a compound that is 41.8% N, 24.7% C, 31.4% O, and 2.1% H by mass?…

A: Percentage by mass: 41.8% N 24.7% C 31.4% O 2.1% H  The molar mass of the compound = 100.06 g mol-1…

Q: Elemental analysis is sometimes carried out by combustion of the sample. For a hydrocarbon, the…

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Q: Straight-chain, saturated carboxylic acids, a class of hydrocarbons, has the general formula…

A: Given that :-  saturated carboxylic acids has the general formula CnH2n+1COOH  Atomic weights:- 1) C…

Q: Cobalt(II) chloride forms several hydrates with the general formula CoCl2 ·x H2O , where  x  is an…

A: Here we are required to number of hyrate attached to the salt.

Q: Balance the equation  C3 H6 (g)  + O2(g) ---> CO2 (g) + O(g)

A: Chemical equation is the representation of a chemical reaction, in which the reactants and products…

Q: 11. The compound As214 is synthesized by reaction of arsenic metal with arsenic triiodide. If a…

A: The reaction between As metal and AsI3 can be shown as: As+AsI3→As2I4 This is an imbalance chemical…