Analysis by mass of a certain compound shows that it contains 14 percent hydrogen and 86 percent carbon. Which of the following is the most informative statement that can properly be made about the compound based on these data? A. It is a hydrocarbon. B. Its empirical formula is CH2C. Its molecular formula is C2H4D. Its molar mass is 28 g/molE. It contains a triple bond

Q: Combustion of iron creates iron(III) oxide. How many moles of oxygen are needed to fully convert…

A: Combustion, a chemical reaction between substances, usually including oxygen and usually accompanied…

Q: How many moles of theobromine are there in 5.72 x 1026 molecules of theobromine?

A: 1 mole of substance has Avogadro's number that is 6.022x1023 molecules or atoms NA = 6.022*1023…

Q: A model of the butanal molecule is shown in the window below. ball & stick + labels ited a. How many…

A: From the model, Butanal=> CH3>CH2CH2CHOMolecular formula of butanal is C4H8O. Mole is the SI…

Q: Caffeine, a molecule found in coffee, tea, and certain soft drinks, contains C, H, O, and N.…

A: Given, Mass of caffeine = 10.0 g Mass of CO2 = 18.13 g Mass of H2O = 4.639 g Mass of N2 = 2.885 g…

Q: Calculate the molar mass. a. Co(NO3)2 x 6H2O b. Ni(NO3)2 x 6H2O

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Q: 5. Aspartame is an artificial sweetener that is 160 times sweeter than sucrose (table sugar) when…

A: Molecular formula is C14 H18 N2 O5  We need to find it's molar mass.  Amount of molecules in 10.0 g…

Q: What is the molar mass of the following compounds?     N2H4                                     b.…

A: The molar mass of a substance can be defined as the mass of that substance present in one mole. It…

Q: Consider the following reaction of K2S2O3 for neutralizing chlorine in industrial bleaching. K2S2O3…

A:

Q: A 2.86 g sample of a compound consisting of carbon, hydrogen, oxygen, nitrogen, and sulfur was…

A: Given, mass of 2.86 g sample of a compound produced 1.61 g CO2 and 0.989 g H2O.Moles of CO2 and H2O…

Q: A compound containing C, H, and O is 30.0% C and 10.1% H by mass. If the compound has a molar mass…

A: Given Element Percentage composition C 30.0 % H 10.1 % O 100- (% C + % H) = 100- (30 +10.1)…

Q: A 2.37 g sample of nitrous oxide (an anesthetic sometimes called laughing gas) contains 3.24 x 1044…

A: Given data,  Mass of nitrous oxide = 2.37 g  Contains 3.24 × 1022 N2O molecules

Q: The percent compositionn compound is 76.0% C, 12.8% H, and 11.2% O. The molar mass of this compound…

A: Answer = The correct option is(d)  C18H36O2 Solution - According to the question - Given - Ratio of…

Q: What is the molar mass of the following compounds?     N2H4…

A: Molar mass of compounds depand molar mass of atom

Q: 25. Lactic acid (also known as milk acid) is composed of only carbon, hydrogen, and oxygen and has a…

A:

Q: What mass of compound is present in 7.60 moles of each of the following compounds? a.) Ca3(PO4)2 b.)…

A: In chemistry, number of moles refers to a unit of amount. It can also be defined as the mass of a…

Q: What is its molecular formula?

A:

Q: The semi-precious stone turquoise is a hydrate and with the chemical formula CuAl₆(PO₄)₄(OH)₈･4 H₂O.…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: A 3.17 g sample of nitrous oxide (an anesthetic sometimes called laughing gas) contains 4.34 x 1022…

A:

Q: A 2.41 g sample of nitrous oxide (an anesthetic sometimes called laughing gas) contains 3.30 x 102…

A: Given: Number of molecules of N2O =3.30×1022 molecules And mass of N2O sample =2.41 g

Q: Holy many moles of CO2 are contained in 42.0 x 1024 molecules of CO2?

A:

Q: You are given a 10.0 grams sample of ethanol (CH3CH2OH).   Explain how you can use the molar mass of…

A: The Avogadro’s number of any species is defined by a mole. The Avogadro’s number, NA, is equal to…

Q: A 0.613 g sample of a covalent compound contains 3.13 × 1021 molecules. What is the molar mass (in…

A: We have 0.613 g sample of a covalent compound contains 3.13 × 1021 molecules . We have to calculate…

Q: What mass of oxygen difluoride OF2, contains the same number of fluorine atoms as 5.20 g of…

A: Mole concept: The number of molecules or atoms present in the one mole of the substance is equal to…

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Q: A mixture of carbon and sulfur has a mass of 9.0 g. Complete combustion with excess O2 gives 23.3 g…

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Q: has a molar mass of 99.0 g/mol. Analysis of a sample shows that it contains 24.3% c and rest is…

A:

Q: A scientist is trying to discover information about an unknown metal in a compound. The formula for…

A: Step - 1Formula for the compound = XBr3Means in 1 mol of compound 3 mol of Bromine are…

Q: How many moles of CCL4 are present in 7.65 X 1045 molecules of the compound? W mass of this amount…

A: Given: The number of molecules of CCl4 is 7.65×1045. The number of moles and mass of CCl4 is to be…