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WorksheetsMolar Mass and Molar Volume
Total questions: 9
Worksheet time: 18mins
Name
Class
Date
1.
What is the mass of one mole of aluminum?
a)
27 g
b)
13 g
c)
54 g
d)
14 g
2.
What is the molar mass of CO2?
a)
12
b)
16
c)
32
d)
44
3.
How many particles are in a mole?
a)
602
b)
602 million
c)
602 moles
d)
6.02 x 1023
4.
What is the molar mass of AuCl3?
a)
96 g
b)
130 g
c)
232.5 g
d)
303.3 g
5.
Calculate the molar mass of Ba(C2H3O2)2
a)
255.3 g/mol
b)
237.3 g/mol
c)
228.3 g/mol
d)
196.3 g/mol
6.
A 2.00 L sample of pure oxygen gas (O2) is measured at STP. How many moles of oxygen is this?
a)
24.4 mol
b)
0.007 mol
c)
1.44 mol
d)
0.09 mol
7.
Calculate the volume in liters of 7.50 mol of helium gas at STP.
a)
0.335 L He
b)
168 L He
c)
4.52 x 1024 L He
d)
30.0 L He
8.
How many moles are in a 18 L tank of nitrogen gas at STP?
a)
0.9 moles
b)
1 mole
c)
0.8 moles
d)
0.75 moles
9.
What is the volume of 3 moles of H2 gas at STP?
a)
22.4 L
b)
44.8 L
c)
67.2 L
d)
89.6 L
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