Question

If a sample of pure silver (Ag) contains 3.35 x 10^22 atoms of iodine, how many moles of silver are in the sample?

a. 17.9 mol

b. 2.82 mol

c. 0.180 mol

d. 0.0556 mol

Answer 1

The anwer roght here is the last one d. 0.0556 mol. The next procedure says why this is right:

3.35 x 10^22 atoms x (1 mol / 6.02 x 10^23 atoms) = 0.0556 mol

I hope this can help you greatly