Homework #3 - Counting Atoms
Name______________ page# 1
Calculate how many atoms of each element are present in the following compounds.
1. NaHCO
3
2. C
2
H
4
0
2
3 . Mg ( OH )
2
4. 3H
3
PO
4
5. 2H
2
SO
4
6. ( NH
4
)
3
PO
4
7 . C
6
H
12
0
6
8 . 4CaCO
3
