CHEMISTRY
2nd Edition
ISBN: 9781593995782
Author: OpenStax
Publisher: XANEDU PUBLISHING
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Textbook Question
Chapter 3, Problem 37E
Determine the empirical formulas for compounds with the following percent compositions:
- 15.8% carbon and 84.2% sulfur
- 40.0% carbon, 6.7% hydrogen, and 53.3% oxygen
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Chapter 3 Solutions
CHEMISTRY
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.Similar questions
- Considering your answer to Exercise 79, which type of formula, empirical or molecular, can be obtained from elemental analysis that gives percent composition?arrow_forwardCalculate the molarity of solutions prepared by dilution or calculate the quantities needed to carry out a dilution to prepare a solution of a specified concentration.arrow_forwardFrom the following list, identify each formula that could be an empirical formula. Write the empirical formulas of any compounds that are not already empirical formulas: C2H6O;Na2O2;C2H4O2;N2O5.arrow_forward
- Calculate the amounts of reactants needed in a chemical reaction to produce a specified amount of product.arrow_forwardl-Dopa is a drug used for the treatment of Parkinson’s disease. Elemental analysis shows it to be 54.82% carbon, 7.10% nitrogen, 32.46% oxygen, and the remainder hydrogen. Determine l-dopa’s empirical formula. The molar mass of l-dopa is 197.19 g/mol. Determine its molecular formula.arrow_forwardA large family of boron-hydrogen compounds has the general formula BxHy. One member of this family contains 88.5% B; the remainder is hydrogen. What is its empirical formula?arrow_forward
- Phenol is a compound of carbon, hydrogen, and oxygen used commonly as a disinfectant. Combustion of a 175-mg sample of phenol yielded 491 mg CO2 and 100. mg H2O. Calculate the empirical formula of phenol. Identify what other information is needed to determine whether the empirical formula is the actual molecular formula.arrow_forwardConsider the following diagram, where atom X is represented by a square and atom Y is represented by a circle. (a) Write the equation for the reaction represented by the diagram. (b) If each circle stands for a mole of Y and each square a mole of X, how many moles of X did one start with? How many moles of Y? (c) Using the same representation described in part (b), how many moles of product are formed? How many moles of X and Y are left unreacted?arrow_forwardDetermine the empirical formula for a compound that is 76.6%76.6% C, 6.4%6.4% H, and 17.0%17.0% O by mass.arrow_forward
- What is the empirical formula for a compound that contains 0.063 mol chlorine and 0.22 mol oxygen? What is the empirical formula for a compound that contains 26.1% carbon, 4.3% hydrogen and 69.6 % oxygen? An oxide of nitrogen contains 30.45% N and 69.55% O. What is its empirical formula?arrow_forwardA compound is analyzed and determined to have the following percent-by-mass composition: 60.95% carbon 3.069% hydrogen 35.98% chlorine The molar mass of the compound is 197.05 g/mol. Determine both the empirical and molecular formula for the compound.arrow_forward13arrow_forward
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