Problem: Vanillin, the dominant flavoring in vanilla, contains C, H, and O. When 1.05 g of this substance is completely combusted, 2.43 g of CO2 and 0.50 g of H2O are produced.What is the empirical formula of vanillin?

FREE Expert Solution

Step 1: The reaction would be: 

CxHyOz + O2 → CO2 + H2O

The mass of C and H:

Mass C=2.43 g CO2×1 mol CO244.01 g CO2×1 mol C1 mol CO2×12.01 g C1 mol C

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Problem Details

Vanillin, the dominant flavoring in vanilla, contains C, H, and O. When 1.05 g of this substance is completely combusted, 2.43 g of CO2 and 0.50 g of H2O are produced.

What is the empirical formula of vanillin?

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