How many atoms of Ag are in each of the following quantities?

Question

1- 0.38 mole Ag2S?

2- 0.78 mole AgCl?

Answer 1

There are 6.022 x 10^23 molecules in a mole. Convert 0.38 mole Ag2S to molecules, then multiply by 2 since there are two Ag atoms per molecule Ag2S