What is the empirical formula of a compound that contains C, H, and O if the compound is 40.00% C and 6.71% H by weight?

Name: What is the empirical formula of a compound that contains C, H, and O if the compound is 40.00% C and 6.71% H by weight?
Brand: Quizplus
Rating: 4.8 (49 reviews)

Question

Quizplus · Accepted Answer

To find the empirical formula, convert the percentages to grams (assuming 100g total), then to moles: C: 40g/12.01g/mol = 3.33 mol, H: 6.71g/1.008g/mol = 6.66 mol, O: (100-40-6.71)g/16.00g/mol = 3.33 mol. The simplest ratio is 1:2:1, giving CH₂O.

What Is the Empirical Formula of a Compound That Contains