Question

How many silver (Ag) atoms are in a silver bar that is 20.0 g?
A. 1.8 3 1023 Ag atoms
B. 1.1 3 1023 Ag atoms
C. 6.02 3 1023 Ag atoms
D. 1.3 3 1027 Ag atoms

Answer 1

\[\left( \frac{ 20g }{ 1} \right)\left( \frac{ 1 molAg }{107.8682g} \right)\left( \frac{ 6.023X10^{23} }{ mol } \right)\]

Answer 2

I'm going with C, I'm not 100% on that though...

Answer 3

1.12*10^23

Answer 4

B?

Answer 5

yes