A 20.0 g sample of a hydrocarbon is found to contain 2.86 g

Last updated: 7/28/2022

A 20.0 g sample of a hydrocarbon is found to contain 2.86 g hydrogen. What is the percent by mass of carbon in the hydrocarbon? Select the correct answer below: 85.7% carbon 14.3% carbon 50.0% carbon 61.8% carbon