Problem: An unknown compound was determined to be 74.97% carbon, 8.39% hydrogen, and 16.64% oxygen. Calculate the empirical formula.

FREE Expert Solution

We’re being asked to determine the empirical formula of a compound given the mass percent of C, H, and O.


Recall that the empirical formula is the simplest whole-number ratio formula of a compound


For this problem, we need to do the following steps:

Step 1: Calculate the mass and moles of C, H, and O in the compound.

Step 2: Determine the lowest whole number ratio of C, H, and O to get the empirical formula.


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Problem Details

An unknown compound was determined to be 74.97% carbon, 8.39% hydrogen, and 16.64% oxygen. Calculate the empirical formula.