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03 Molar mass practice
By Tamara Hyde
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Last updated over 4 years ago
13 questions
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Use atomic mass of elements to the tenth. Example: O=15.999 round to 16.0. P=30.974 round to 31.0. Be=9.0122 round to 9.0
Question 1
1.
Calculate the molar mass of each substance. Show all work and include units.
Calcium sulfate, CaSO
4
visibility
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Question 2
2.
Calculate the molar mass of each substance. Show all work and include units. Use atomic mass of elements to the tenth.
Gypsum, CaSO
4
• 2 H
2
O
visibility
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Question 3
3.
Calculate the molar mass of each substance. Show all work and include units. Use atomic mass of elements to the tenth.
Cobalt phosphate, Co
3
(PO
4
)
2
visibility
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Question 4
4.
Calculate the molar mass of each substance. Show all work and include units. Use atomic mass of elements to the tenth.
Sodium sulfite, Na
2
SO
3
visibility
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Question 5
5.
Calculate the molar mass of each substance. Show all work and include units. Use atomic mass of elements to the tenth.
Copper(II) sufate pentahydrate, CuSO
4
• 5H
2
O
visibility
View drawing
Question 6
6.
Calculate the molar mass of each substance. Show all work and include units. Use atomic mass of elements to the tenth.
Putrescine, C
4
H
12
N
2
visibility
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Question 7
7.
Calculate the molar mass of each substance. Show all work and include units. Use atomic mass of elements to the tenth.
Dinitrogen tetrahydride, N
2
H
4
visibility
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Question 8
8.
Calculate the molar mass of each substance. Show all work and include units. Use atomic mass of elements to the tenth.
sodium hypochlorite, NaClO
visibility
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Question 9
9.
Calculate the molar mass of each substance. Show all work and include units. Use atomic mass of elements to the tenth.
Diethyl ether, (C
2
H
5
)
2
O
visibility
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Question 10
10.
Calculate the molar mass of each substance. Show all work and include units. Use atomic mass of elements to the tenth.
Boric acid, H
3
BO
3
visibility
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Question 11
11.
Calculate the molar mass of each substance. Show all work and include units. Use atomic mass of elements to the tenth.
glucose, C
6
H
12
O
6
visibility
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Question 12
12.
Calculate the molar mass of each substance. Show all work and include units. Use atomic mass of elements to the tenth.
ethanol, C
2
H
6
O
visibility
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Question 13
13.
Calculate the molar mass of each substance. Show all work and include units. Use atomic mass of elements to the tenth.
Caffeine, C
8
H
10
N
4
O
2
visibility
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