An unknown compound has the formula C₂H₂O₂. You burn 0.1251 g of the compound and isolate 0.3054 g of CO2 and 0.1250 g of H₂O. What is the empirical formula of the compound? If the molar mass is 72.1 g/mol, what is the molecular formula? (Enter the elements in the order: C, H, O.) Empirical formula: Molecular formula:

Chemistry
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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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**Chapter 4 - Stoichiometry: Quantitative Information About Chemistry**

**Page 5 of 5**

An unknown compound has the formula \( \text{C}_x\text{H}_y\text{O}_z \). You burn 0.1251 g of the compound and isolate 0.3054 g of \( \text{CO}_2 \) and 0.1250 g of \( \text{H}_2\text{O} \).

1. What is the empirical formula of the compound?
2. If the molar mass is 72.1 g/mol, what is the molecular formula?

*(Enter the elements in the order C, H, O.)*

- **Empirical formula:** [___________]

- **Molecular formula:** [___________]
Transcribed Image Text:**Chapter 4 - Stoichiometry: Quantitative Information About Chemistry** **Page 5 of 5** An unknown compound has the formula \( \text{C}_x\text{H}_y\text{O}_z \). You burn 0.1251 g of the compound and isolate 0.3054 g of \( \text{CO}_2 \) and 0.1250 g of \( \text{H}_2\text{O} \). 1. What is the empirical formula of the compound? 2. If the molar mass is 72.1 g/mol, what is the molecular formula? *(Enter the elements in the order C, H, O.)* - **Empirical formula:** [___________] - **Molecular formula:** [___________]
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