Question

What percentage of carbon dioxides mass is carbon? What percentage is oxygen?

Answer 1

Answer:

Carbon = 27.3%

Oxygen = 72.7%

Explanation:

Use the Masses of the elements

Carbon dioxide = 44

Carbon = 12

Oxygen = 16

Where for Carbon;

12/44 × 100 = 27.3%

Where for oxygen;

100 - 27.3 = 72.7% or

32/44 × 100 = 72.7%