The percent composition by mass of a compound is 76.0% C, 12.8% H, and 11.2% O. The molar mass of this compound is 284.5 g/mol. What is the molecular formula of the compound? answer choices C10H6O C9H18O C18H36O2 C20H12O2 C16H28O4
The percent composition by mass of a compound is 76.0% C, 12.8% H, and 11.2% O. The molar mass of this compound is 284.5 g/mol. What is the molecular formula of the compound? answer choices C10H6O C9H18O C18H36O2 C20H12O2 C16H28O4
Chemistry: An Atoms First Approach
2nd Edition
ISBN:9781305079243
Author:Steven S. Zumdahl, Susan A. Zumdahl
Publisher:Steven S. Zumdahl, Susan A. Zumdahl
Chapter5: Stoichiometry
Section: Chapter Questions
Problem 73E: Calculate the percent composition by mass of the following compounds that are important starting...
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The percent composition by mass of a compound is 76.0% C, 12.8% H, and 11.2% O. The molar mass of this compound is 284.5 g/mol. What is the molecular formula of the compound?
answer choices
C10H6O
C9H18O
C18H36O2
C20H12O2
C16H28O4
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