WorksheetsCalculating Moles and Percentages in Compounds
Total questions: 12
Worksheet time: 6mins
Name
Class
Date
1.
a)
104.1 g/mol
b)
264.1 g/mol
c)
184.1 g/mol
d)
80.1 g/mol
2.
a)
98.1 g/mol
b)
82.1 g/mol
c)
66 g/mol
d)
151.1 g/mol
3.
a)
102.9 g/mol
b)
236.2 g/mol
c)
162.8 g/mol
d)
197.3 g/mol
4.
a)
Au
b)
C
c)
Ca
d)
Ti
5.
a)
Au
b)
Ag
c)
Al
d)
Cs
6.
a)
Zr
b)
W
c)
In
d)
Ir
7.
Calculate the Percent % of Mg in Mg3P2
a)
41%
b)
25%
c)
53%
d)
75%
8.
Calculate the % of H in NH4NO3.
a)
5%
b)
10%
c)
15%
d)
20%
9.
Calculate the moles in 58 g of Calcium (Ca).
a)
0.045 mol
b)
1.45 mol
c)
11.5 mol
d)
2320 mol
10.
Calculate the moles of NaCl in 375 g of NaCl.
a)
6.47 mol
b)
16.5 mol
c)
0.648 mol
d)
66.9 mol
11.
Calculate the mass of 0.0571 mol of MgSO4.
a)
783 g
b)
12.6 g
c)
19.2 g
d)
6.87 g
12.
Calculate the mass of 72.5 mol of water (H2O)
a)
4.03 mol
b)
7.25 mol
c)
12.5 mol
d)
0.0762 mol
100 %
