Answers

1. Calculate the empirical formula of a compound that is 85.6% C and 14.4% H by mass

Answer: CH₂

2. A compound is analyzed and found to contain 12.1 % carbon, 16.2 % oxygen, and 71.7% chlorine by mass.

Calculate the empirical formula of this compound.

Answer: COCl₂

3. A compound contains 40.0% carbon, 6.7 % hydrogen, and 53.3% oxygen by mass. Calculate the empirical

formula.

Answer: CH₂O