Answer to Question #6501 in Chemistry for Elliot

Question

determine the mass of carbon (in kilograms) contained in 143 kilograms of CO2.

please show steps

Answer 1

1. To calculate the mass of carbon we'll use the following equation:

CO₂ ----> C + O₂

2. Molecular weight of CO₂ is 44 and for C it is 12

3.
143 k x kg
CO₂ ----> C + O₂
44 12

x = 143*12/44 = 39

ANSWER: 39 kg