2Agl + 1Na2S----->1 Ag2S + 2Nal
This may help
To find the amount of atoms in a mole you will use Avragadro's constant. So 2.8 x 6.02 x 10^23 (2.8x 6.02 ten to the power of 23)
2.8x 6.02 10^23
You need to use Stoichiometry
The Answer Should Be Electrons.
