Name ________________________________
Percent Composition Worksheet
Period _____ Date ____________ Seat _____
Find the percent composition of all the elements in the following compounds:
1.
HCl
H: _____________
Cl: _____________
2.
NaOH
Na: _____________
O: _____________
H: _____________
3.
CuBr2
Cu: _____________
Br: _____________
4.
N2S2
N: _____________
S:
5.
_____________
KMnO4
K: _____________
Mn: _____________
O: _____________
1
Percent Composition Worksheet
6.
(NH4)2S
N: _____________
H: _____________
S: _____________
7.
Mg(NO3)2
Mg: _____________
N: _____________
O: _____________
8.
Al2(SO4)3
Al: _____________
S: _____________
O: _____________
9.
(NH4)3PO4
N: _____________
H: _____________
O: _____________
P: _____________
2