Download Molecular Formula Worksheet #11

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Molecular Formula Worksheet 11
Name: _________________
Date: _______ Period: ____
1. Write the molecular formula of the following compound. A compound with an empirical formula of C 2OH4
and a molar mass of 88 grams per mole.
2. Write the molecular formula of the following compound. A compound with an empirical formula of C 4H4O
and a molar mass of 136 grams per mole.
3. Write the molecular formula of the following compound. A compound with an empirical formula of CFBrO
and a molar mass of 254 grams per mole.
4. Write the molecular formula of the following compound. A compound with an empirical formula of C 2H8N
and a molar mass of 46 grams per mole.
5. What is the empirical formula of a molecule containing 65.5% carbon, 5.5% hydrogen and 29.0% Oxygen?
6. If the molar mass of the compound in problem 5 is 110 grams per mole, what is the molecular formula?
7. What is the empirical formula of a molecule containing 18.7% lithium, 16.3% carbon and 65.0% oxygen?
8. If the molar mass of the compound in problem 7 is 73 grams per mole, what is the molecular formula?
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