Question

What is the mass percent of carbon in carbon dioxide?
(a) 0.034%
(b) 27.27%
(c) 3.4%
(d) 28.7%

Answer 1

Mass of Carbon dioxide-CO2

=44 amu

Mass of Carbon=12 amu.

Mass %=12×100/44

=$\boxed{27.27}$%

Answer 2

Answer:

B)27.27%

Explanation: