Question

A silver ring contains 0.0134 mmol Ag. How many silver atoms does it contain?

Answer 1

1 mole of anything contains 6.022 x 10^23 atoms. So 0.0134 millimoles will contain ------ atoms?

Answer 2

0.0134mol/1000=1.34×10^-5
1.34×10^-5 (6.022×10^23)
=8.07×10^18