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Unformatted text preview: 4. What is the empirical formula of a compound that contains 57.8% C, 3.6 % H, and 38.6% O by mass? CHEM 1201 SI Worksheet 5. Find the empirical formula of a compound containing 7.989 g of carbon and 2.011 g of hydrogen. 6. What is the molecular formula of C 2 H 3 with a molar mass of 54 g/mol? 7. Find the molecular formula of CH with a molar mass of 78 g/mol....
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