Question

How many molecules are in 12.8 moles of CO2?
A. 563 molecules
B. 0.291 molecules
C. 2.13 x 10^{-23} molecules
D. 7.71 x 10^{24} molecules

Answer 1

Answer: D. 7.71 x 10^24

Explanation:

12.8 moles CO2 (6.02 * 10^23 molecules / 1 mol) = 7.7 * 10^24 molecules :)