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The Great Mole
Test Description: Molar mass and mole s
Instructions: Answer all questions to get your test result.
1) What is the molar mass of CaSO4
A
64 g/mol
B
126 g/mol
C
176 g/mol
D
136 g/mol
2) How many moles are in 745 grams of CaSO4
A
.5 moles
B
5.5 moles
C
1 mole
D
10,000 moles
3) How many grams are in 1 mole of strontium?
A
87.62 grams
B
1 grams
C
92.41 grams
D
38 grams
4) What is the molar mass of sodium hydroxide?
A
40 g/mol
B
57 g/mol
C
63 g/mol
D
16 g/mol
5) How many grams are in 1.34 moles of sodium hydroxide?
A
29.8 g
B
84.42 g
C
53.6 g
D
41.34g
6) How many moles are in 13 grams of sulfur?
A
1 mole
B
.41 mol
C
416 mol
D
32 mol
7) The atomic mass for each element is equal to
A
avagadros number
B
all of these
C
1 mole
D
protons + neutrons
8) How much does one mole of water weigh?
A
1 gram
B
16 pounds
C
18 grams
D
16 grams
9) How many moles are in 1000 grams of copper (II) chloride?
A
7.45 moles
B
134,000 moles
C
100 moles
D
134.3 moles
10) The diagonal units in dimensional analysis must
A
match
B
be the same
C
cancel out
D
all of these
*select an answer for all questions
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