Please help me!!!
1. Convert 4mols H20 to grams?

а 72g
b 92g
c 83g
d 62g

2. Convert 4mols of H2O to atoms of H2O?

a 1.4 x 10^24 atoms H2O
b 4.1 x 10^24 atoms H2O
c 3.3 x 10^24 atoms H2O
d 2.4 x 10^24 atoms H2O