How many molecules are in a 100 gram sample of AB?

Question

A=3.2
B=16.0
X=5.3

the options to put in the drop boxes are:

3.01 x 10^23 molecules AB
6.02 x 10^23 molecules AB
3.13 x 10^24 molecules AB
100 g AB
19.2 g AB
1 mole AB
1 mole AB
19.2 moles AB

there are 6 drop boxes to place in

__ x __ x __ = __

Answer 1

molecules AB
3.2 g A
16.0 g B
5.3 g X
3.13 x 10^24