Mole Calculation Practice Worksheet
Answer the following questions:
1)
How many moles are in 25 grams of water?
2)
How many grams are in 4.5 moles of Li
O?
2
3)
How many molecules are in 23 moles of oxygen?
23
4)
How many moles are in 3.4 x 10
molecules of H
SO
?
2
4
5)
How many molecules are in 25 grams of NH
?
3
22
6)
How many grams are in 8.2 x 10
molecules of N
I
?
2
6