Worksheetsmolar mass and mole conversions (review for unit 5)
Total questions: 10
Worksheet time: 19mins
Name
Class
Date
1.
What is the molar mass of lead (II) sulfate?
a)
303.27 g/mol
b)
255.27 g/mol
c)
163.87 g/mol
d)
372.27 g/mol
2.
Shivani measures out 6.0 moles of epsom salt (MgSO4) to put in her bath. How many grams of MgSO4 went in the bath?
a)
3.6 x 1024 g
b)
720 g
c)
0.050 g
d)
340 g
3.
A beaker contains 3.0 moles of copper. How many grams of copper are in the beaker?
a)
190.7 g
b)
21.2 g
c)
0.047 g
d)
86.3 g
4.
What is the molar mass of gold (III) chloride?
a)
96 g
b)
130 g
c)
232.5 g
d)
303.3 g
5.
How many moles are present in 32.3 grams of carbon dioxide?
a)
44.01 moles
b)
1421.52 moles
c)
32.3 moles
d)
0.73 moles
6.
What is the mass in grams of 5.90 mol C8H18?
a)
.0512 g
b)
19.4 g
c)
673 g
d)
389 g
7.
What is the mass of one mole of ammonium carbonate?
a)
144g
b)
138g
c)
96g
d)
74g
8.
36.0 g of Be contains how many moles?
a)
0.25 mol
b)
4.0 mol
c)
45 mol
d)
320 mol
9.
4.0 moles of water would have what mass?
a)
72 g
b)
23 g
c)
68 g
d)
4.5 g
10.
What is the molar mass of manganese (VII) selenide?
a)
134 g/mole
b)
663 g/mole
c)
189 g/mole
d)
608 g/molw
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