How Many Molecules of Methane Gas,CH₄,have a Mass Equal to 3.20

Multiple Choice

How many molecules of methane gas,CH₄,have a mass equal to 3.20 g?

A) 1.20 x 1023 molecules
B) 1.20 x 1024 molecules
C) 1.93 x 1024 molecules
D) 3.01 x 1023 molecules
E) 3.01 x 1024 molecules