Question

If there are 4.5 x 1020 atoms of Silver are present, then how many moles of Silver are there? Question 1 Answer a. 0.081 moles b. 12.4 moles c. 0.0007 moles d. 1,338 moles

Answer 1

Answer: C

Step-by-step explanation:

This is basic stoichiometry

4.5 X 10^20 Atoms x (1 mole/ 6.02 X 10^23 atoms) = 7.48 X 10^-4 moles Ag

so the answer would be C.