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Molecular Formula Solutions Library

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95 solutions

Molecular Formula

Q. Androstenedione, which contains only carbon, hydrogen, and oxygen, is a steroid hormone produced in the adrenal glands and the gonads. Combustion a...

Solved • Jul 29, 2021

Molecular Formula

Q. A compound has 67.3% C,4.62% N,6.93% H and O. Determine the molecular formula of the compound knowing its molar mass is 283 g/mol.

Solved • Apr 15, 2021

Molecular Formula

Q. Part B. What is the molecular formula for the gaseous product?Express your answer as a chemical formula.When elemental sulfur, S8, is heated with A...

Solved • Jul 1, 2020

Molecular Formula

Q. Part B. Is the formula CuCl3 reasonable?In a student experiment, the empirical formula of a copper halide was found by adding aluminum metal to an ...

Solved • Jul 1, 2020

Molecular Formula

Q. The molecular formula mass of this compound is 180 amu. What are the subscripts in the actual molecular formula?One of the inherently satisfying fe...

Solved • Jul 1, 2020

Molecular Formula

Q. Glucose (a source of energy and metabolic intermediate): 40.00% C, 6.71% H, and 53.29% O.Express your answer as a chemical formula.

Solved • Apr 27, 2020

Molecular Formula

Q. What is the molecular formula for a compound with an empirical formula of CH2O if its experimentally determined molecular weight is 180 amu?a) CHOb...

Solved • Apr 21, 2020

Molecular Formula

Q. Ethylene glycol, which consists of C, H, and O, can be used as an antifreeze in automobile engines. A 20.69 g of ethylene glycol sample contains 8....

Solved • Nov 28, 2019

Molecular Formula

Q. Determine the molecular formula of a compound that has a molar mass of 183.2 g/mol and an empirical formula of C2H5O2.a. C4H10O4b. C6H15O6c. C2H5O2...

Solved • Sep 30, 2019

Molecular Formula

Q. A compound composed of only hydrogen and oxygen is 5.94% hydrogen by mass. The molar mass of this compound is 34.02 g/mol. What is the compound's m...

Solved • Sep 1, 2019

Molecular Formula

Q. A compound has a molar mass of 180.18 g/mol. Given the following percent composition, calculate the molecular formula. 39.99% C, 6.73% H, 53.28% O

Solved • Sep 1, 2019

Molecular Formula

Q. An estrogen compound with the empirical formula C12H17O2 has a molecular mass of 386.6 g/mol. What is the value of n necessary to find the molecula...

Solved • Sep 1, 2019

Molecular Formula

Q. What is the value of n when the empirical formula is C 3H5 and the molecular mass is 205.4 g/mol?

Solved • Sep 1, 2019

Molecular Formula

Q. An unknown substance has the composition of 74.97% C, 7.4% H and 17.6% O. The compound has a molar mass of 272.3 g/mole. What is the molecular form...

Solved • Aug 25, 2019

Molecular Formula

Q. What are the empirical and molecular formulas of nicotine?

Solved • Aug 7, 2019

Molecular Formula

Q. Calculating the molecular formula of caffeine? Caffeine, contains 49.48% Carbon, 5.15% Hydrogen, 28.87% nitrogen, 16.49% oxygen. It has a molar mas...

Solved • Aug 7, 2019

Molecular Formula

Q. A compound composed of 2.1% H, 29.8% N, and 68.1% O has a molar mass of approximately 50 g/mol.What is the molecular formula of the compound?

Solved • Nov 12, 2018

Molecular Formula

Q. What is the molecular formula of each of the following compounds?empirical formula CH2, molar mass = 28.0 g/mol

Solved • Oct 31, 2018

Molecular Formula

Q. What is the molecular formula of each of the following compounds?empirical formula NH2Cl, molar mass = 51.5 g/mol

Solved • Oct 31, 2018

Molecular Formula

Q. What is the molecular formula of each of the following compounds?Empirical formula CHO2, molar mass = 90.0 g/mol

Solved • Oct 31, 2018

Molecular Formula

Q. What is the molecular formula of each of the following compounds?Empirical formula C2H4O, molar mass = 88.0 g/mol

Solved • Oct 31, 2018

Molecular Formula

Q. You may want to reference Section 3.5(Pages 99 - 102) while completing this problem.What is the molecular formula of each of the following compound...

Solved • Oct 31, 2018

Molecular Formula

Q. Determine the empirical and molecular formulas of each of the following substances. For example, butane has an empirical formula of C2H5 (lowest wh...

Solved • Oct 31, 2018

Molecular Formula

Q. Determine the empirical and molecular formulas of each of the following substances. For example, butane has an empirical formula of C2H5 (lowest wh...

Solved • Oct 31, 2018

Molecular Formula

Q. Determine the empirical and molecular formulas of each of the following substances. For example, butane has an empirical formula of C2H5 (lowest wh...

Solved • Oct 31, 2018

Molecular Formula

Q. Cyclohexane, a commonly used organic solvent, is 85.6% C and 14.4% H by mass with a molar mass of 84.2 g/mol. What is its molecular formula?

Solved • Oct 31, 2018

Molecular Formula

Q. An elemental analysis of the acid indicates that it is composed of 5.89% H, 70.6% C, and 23.5% O by mass. What is its molecular formula? The molecu...

Solved • Oct 31, 2018

Molecular Formula

Q. Serotonin is a compound that conducts nerve impulses in the brain. It contains 68.2 mass percent C, 6.86 mass percent H, 15.9 mass percent N, and 9...

Solved • Oct 31, 2018

Molecular Formula

Q. The koala dines exclusively on eucalyptus leaves. Its digestive system detoxifies the eucalyptus oil, a poison to other animals. The chief constitu...

Solved • Oct 31, 2018

Molecular Formula

Q. Determine the empirical and molecular formulas of each of the following substances.Styrene, a compound substance used to make Styrofoam® cups and i...

Solved • Oct 31, 2018

Molecular Formula

Q. Determine the empirical and molecular formulas of each of the following substances.Caffeine, a stimulant found in coffee, contains 49.5% C, 5.15% H...

Solved • Oct 31, 2018

Molecular Formula

Q. Determine the empirical and molecular formulas of each of the following substances.Monosodium glutamate (MSG), a flavor enhancer in certain foods, ...

Solved • Oct 31, 2018

Molecular Formula

Q. A compound isolated from the rind of lemons is found to be 88.14 % carbon and 11.86 % hydrogen by mass.The molar mass is determined to be 136.26 g/...

Solved • Oct 31, 2018

Molecular Formula

Q. You may want to reference (Pages 116 - 119) Section 3.10 while completing this problem.Determine the molecular formula for the compound with a mola...

Solved • Oct 31, 2018

Molecular Formula

Q. A compound has the empirical formula CH and a molar mass of 78.11 g/mol . Find its molecular formula.

Solved • Oct 31, 2018

Molecular Formula

Q. From the given molar mass and empirical formula of several compounds, find the molecular formula of each compound.C4H9, 114.22 g/mol

Solved • Oct 31, 2018

Molecular Formula

Q. From the given molar mass and empirical formula of several compounds, find the molecular formula of each compound.CCl, 189.85 g/mol

Solved • Oct 31, 2018

Molecular Formula

Q. From the given molar mass and empirical formula of several compounds, find the molecular formula of each compound.C3 H2 N, 104.13 g/mol

Solved • Oct 31, 2018

Molecular Formula

Q. A compound of molar mass 229 g/mol contains only carbon, hydrogen, iodine, and sulfur. Analysis shows that a sample of the compound contains 6 time...

Solved • Oct 31, 2018

Molecular Formula

Q. A compound has the empirical formula CH2O and a formula mass of 120.10 amu.What is the molecular formula of the compound?

Solved • Oct 31, 2018

Molecular Formula

Q. Fructose is a common sugar found in fruit. Elemental analysis of fructose gave the following mass percent composition: C 40.00%, H 6.72%, O 53.28%....

Solved • Oct 31, 2018

Molecular Formula

Q. A compound with the empirical formula CH2 has a molar mass of 98 g/mol. What is the molecular formula for this compound?

Solved • Oct 23, 2018

Molecular Formula

Q. Vitamin A has a molar mass of 286.4 g/mol and a general molecular formula of C xHyE, where E is an unknown element. If vitamin A is 83.86% C and 10...

Solved • Oct 17, 2018

Molecular Formula

Q. A major textile dye manufacturer developed a new yellow dye. The dye has a percent composition of 75.95% C, 17.72% N, and 6.33% H by mass with a mo...

Solved • Oct 16, 2018

Molecular Formula

Q. Determine the empirical and molecular formula for chrysotile asbestos. Chrysotile has the following percent composition: 28.03% Mg, 21.60% Si, 1.16...

Solved • Oct 16, 2018

Molecular Formula

Q. Dichloroethane, a compound that is often used for dry cleaning, contains carbon, hydrogen, and chlorine. It has a molar mass of 99 g/mol. Analysis ...

Solved • Oct 16, 2018

Molecular Formula

Q. A compound of carbon and hydrogen contains 92.3% C and has a molar mass of 78.1 g/mol. What is its molecular formula?

Solved • Oct 16, 2018

Molecular Formula

Q. A compound containing only sulfur and nitrogen is 69.6% S by mass; the molar mass is 184 g/mol. What are the empirical and molecular formulas of th...

Solved • Oct 16, 2018

Molecular Formula

Q. Determine the molecular formulas to which the following empirical formula and molar mass pertain: NPCl2 (347.64 g/mol).

Solved • Oct 16, 2018

Molecular Formula

Q. Cortisol (ℳ = 362.47 g/mol) is a steroid hormone involved in protein synthesis. Medically, it has a major use in reducing inflammation from rheumat...

Solved • Oct 12, 2018

Molecular Formula

Q. A chloride of silicon contains 79.1 mass % Cl. If the molar mass is 269 g/mol, what is the molecular formula?

Solved • Oct 12, 2018

Molecular Formula

Q. What is the molecular formula of the following compound?Empirical formula C7H4O2 (ℳ = 240.20 g/mol)

Solved • Oct 12, 2018

Molecular Formula

Q. What is the molecular formula of the following compound?Empirical formula C3H6O2 (ℳ = 74.08 g/mol)

Solved • Oct 12, 2018

Molecular Formula

Q. What is the molecular formula of the following compound?Empirical formula CHN (ℳ = 135.14 g/mol)

Solved • Oct 12, 2018

Molecular Formula

Q. What is the molecular formula of the following compound?Empirical formula NH2 (ℳ = 32.05 g/mol)

Solved • Oct 12, 2018

Molecular Formula

Q. What is the molecular formula of the following compound? empirical formula NH2Cl molar mass 103 g/mol. Express your answer as a chemical formula. 

Solved • Oct 8, 2018

Molecular Formula

Q. What is the molecular formula of the following compound? empirical formula CH2, molar mass 112.0 g/molExpress your answer as a chemical formula.

Solved • Oct 8, 2018

Molecular Formula

Q. A compound is found to contain 10.37% phosphorus, 4.689% nitrogen , and 84.95% iodine by mass. To answer the question, enter the elements in the or...

Solved • Sep 28, 2018

Molecular Formula

Q. A compound is found to contain 64.80% carbon, 13.62% hydrogen, and 21.58% oxygen by mass. To answer the question, enter the elements in the order p...

Solved • Sep 28, 2018

Molecular Formula

Q. What is the molecular formula of each of the following compounds? Part Aempirical formula HCO2, molar mass = 90.0 g/mol. Express your answer as a c...

Solved • Sep 27, 2018

Molecular Formula

Q. A compound has the empirical formula CH3O and a formula mass of 62.10 amu. What is the molecular formula of the compound? (a) C3H9O3 (b) C4H12O4 (c...

Solved • Sep 17, 2018

Molecular Formula

Q. A compound is found to contain 22.56% phosphorus and 77.46% chlorine by mass. To answer the question, enter the elements in the order presented abo...

Solved • Sep 12, 2018

Molecular Formula

Q. A compound with the empirical formula CH2 has a molar mass of 98 g/mol. What is the molecular formula for this compound?

Solved • Sep 11, 2018

Molecular Formula

Q. What is the molecular formula for each of the following compounds? (a) Empirical formula: CH: Molar Mass of compound = 78.11 g/mol (b) Empirical fo...

Solved • Jul 4, 2018

Molecular Formula

Q. Click in the answer box to activate the palette. What is the molecular formula of the following compound?Empirical formula: C7H4O2 (M = 240.20 g/mol):

Solved • Jul 4, 2018

Molecular Formula

Q. A compound found in crude oil consists of 93.71% C and 6.29% H by mass The molar mass of the compound is 128 g/mol. What is its molecular formula?

Solved • May 27, 2018

Molecular Formula

Q. The molar mass of a hydrocarbon compound was found to be 30.069 g/mol. What is the molecular formula?

Solved • Apr 2, 2018

Molecular Formula

Q. a. A compound is 53.31% C, 11.18% H,  and 35.51% O by mass. What is its empirical formula?b. The molecular mass of the compound is 90 amu. What is ...

Solved • Mar 28, 2018

Molecular Formula

Q. Ascorbic acid has a molar mass of 176.14 g/mol . What is the molecular formula of ascorbic acid?

Solved • Mar 27, 2018

Molecular Formula

Q. What is the molecular formula for a compound with an empirical formula of CH 2O if its experimentally determined molecular weight is 180 amu?a. CHO...

Solved • Mar 22, 2018

Molecular Formula

Q. A compound is 54.53% C, 9.15% H, and 36.32% O by mass. What is its empirical formula?The molecular mass of the compound is 132 amu. What is the mol...

Solved • Jan 3, 2018

Molecular Formula

Q. The empirical formula of a chemical compound is C3H8O3. Its approximate molar mass of 94 g/mol was found by experiment. Calculate its exact molar m...

Solved • Oct 10, 2017

Molecular Formula

Q. A compound is composed of 63.81 % C, 6.42 % H, and 29.77 % N by mass. You may round element molar mass to 2 decimal places. a) The Empirical formu...

Solved • Jun 29, 2017

Molecular Formula

Q. If the molar mass of hydrazine is 32 g/mol and its empirical formula is NH2, the molecular formula is A. NH3 B. N2H4 C. NH2 D. N4H8 E. N2H2

Solved • May 27, 2017

Molecular Formula

Q. The molar mass of caffeine is 194.2 g/mol. Its empirical formula is C4H5N2O.What is its chemical formula?

Solved • Apr 20, 2017

Molecular Formula

Q. Peroxyacylnitrate (PAN) is one of the components of smog. It is a compound of C, H, N, and O. Determine the percent composition of oxygen and the e...

Solved • Feb 16, 2017

Molecular Formula

Q. A compound responsible for the odor of garlic has a molecular weight of 146 g/mol. A 0.650 g sample of the compound contains 0.321 g of carbon, 0.0...

Solved • Sep 14, 2016

Molecular Formula

Q. An organic compound contains C, H, and O. The percentages of H and C are 6.73% H, and 39.99% C by mass. The molar mass is 60.06 amu. What is the mo...

Solved • Sep 14, 2016

Molecular Formula

Q. A sample contains 43.7% phosphorus and 56.3% oxygen. The molar mass is 284 g. What is the molecular formula of the compound? A) P4O5 B) P4O10 C)...

Solved • Sep 14, 2016

Molecular Formula

Q. Equilin is an estrogen that is commonly used in hormone replacement therapy. A sample of equilin is sent for elemental analysis and is determined t...

Solved • Sep 14, 2016

Molecular Formula

Q. Butyric acid has an unpleasant odor and is found in milk, cheese, butter. It causes the main distinctive smell in human vomit. A sample of butyric ...

Solved • Aug 9, 2016

Molecular Formula

Q. Carminic acid, a naturally occurring red pigment extracted from the cochineal insect, contains only carbon, hydrogen, and oxygen. It was commonly u...

Solved • Jul 21, 2016

Molecular Formula

Q. The empirical formula of styrene is CH; the molar mass of styrene is 104.14 g/mol. What number of H atoms are present in a 2.00-g sample of styrene?

Solved • Jul 21, 2016

Molecular Formula

Q. A given sample of a xenon fluoride compound contains molecules of the type XeFn, where n is some whole number. Given that 9.03 x 1020 molecules of ...

Solved • Jul 21, 2016

Molecular Formula

Q. Maleic acid is an organic compound composed of 41.39% C, 3.47% H, and the rest oxygen. If 0.129 mol of maleic acid has a mass of 15.0 g, what are t...

Solved • Jul 21, 2016

Molecular Formula

Q. Determine the molecular formula of a compound that contains 26.7% P, 12.1% N, and 61.2% Cl, and has a molar mass of 580 g/mol.

Solved • Jul 21, 2016

Molecular Formula

Q. Determine the molecular formulas to which the following empirical formulas and molar masses pertain.d. SN (184.32 g/mol)

Solved • Jul 21, 2016

Molecular Formula

Q. Determine the molecular formulas to which the following empirical formulas and molar masses pertain.c. CoC4O4 (341.94 g/mol)

Solved • Jul 21, 2016

Molecular Formula

Q. Determine the molecular formulas to which the following empirical formulas and molar masses pertain.b. NPCl 2 (347.64 g/mol)

Solved • Jul 21, 2016

Molecular Formula

Q. Determine the molecular formulas to which the following empirical formulas and molar masses pertain.a. SNH (188.35 g/mol)

Solved • Jul 21, 2016

Molecular Formula

Q. Fructose is a common sugar found in fruit. Elemental analysis of fructose gives the following mass percent composition: C 40.00%, H 6.72%, O 53.28%...

Solved • May 30, 2016

Molecular Formula

Q. The molar mass and empirical formula of several compounds are listed below. Find the molecular formula of each compound. c. C3H2N, 312.29 g/mol 

Solved • May 26, 2016

Molecular Formula

Q. The molar mass and empirical formula of several compounds are listed below. Find the molecular formula of each compound. b. CCI, 284.77 g/mol 

Solved • May 26, 2016

Molecular Formula

Q. The molar mass and empirical formula of several compounds are listed below. Find the molecular formula of each compound. a. C4H9, 114.22 g/mol

Solved • May 26, 2016

Molecular Formula

Q. Part A:A chemist attempted to synthesize a particular compound that showed promise as a new antibiotic. If she succeeded in making and purifying th...

Solved • Apr 15, 2016