Question

How many representative particles are in 8.9 moles of hydrogen gas?

A. 1.5 × 10–23 particles

B. 8.9 × 100 particles

C. 6.02 × 1023 particles

D. 6.91 × 1023 particles

E. 5.4 × 1024 particles

Answer 1

To convert from moles to number of atoms, just multiply number of moles by the Avogadro's number.

8.9 mol H * 6.02 * 10^23 atoms H / 1 mol H = 5.36 * 10^24 atoms H

Answer 2

so E :P

Answer 3

Thaaaaaaaaankssssssssssssssssssssssssss :)