University:
Amherst College
Course:
CHEM 151 | Introductory Chemistry
Academic year:

2022
Views:

329

Pages:

1
Author:

5prinzg1s

PERCENT COMPOSITION BY MASS WORKSHEET 1. 2. 3. 4. 5. 6. 7. What is the percent composition by mass for each element in sodium phosphate (Na 3PO4) What is the percent composition by mass for each element in hydrogen peroxide (H 2O2) What is the percent composition by mass for each element in carbon dioxide (CO 2) What is the percent composition by mass for each element in carbon monoxide (CO) What is the percent composition by mass for each element in glucose (C 6H12O6) What is the percent composition by mass for each element in ammonium sulfate (NH 4)2SO4 What is the percent composition by mass for each element in rubbing alcohol (C 3H7OH) EMPIRICAL FORMULA WORKSHEET 1. An oxide of chromium is found to have the following percent composition: 68.4% Cr and 31.6% O. Determine the compound’s empirical formula 2. The percent composition of a compound was found to be 63.5% silver, 8.2% nitrogen, and 28.3% oxygen. Determine the compound’s empirical formula 3. Determine the empirical formula of this compound, 5.9265% H and 94.0735% O

Percent Composition By Mass Worksheet

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