Question

How many `CO_2` molecules are there in 10.0 mol of carbon dioxide?

Answer 1

Exactly `10*N_A` molecules.

Explanation:

Since there are `6.02*10^23` molecules in a mole, in `10` moles of carbon dioxide, there will be:

`10*6.02*10^23=6.02*10^24` carbon dioxide molecules