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Molarity
Test Description: Test
Instructions: Answer all questions to get your test result.
1) A strong electrolyte ___________________ completely in solution
A
disappears
B
reacts
C
decomposes
D
Ionizes
2) How many moles of Br- ions are in 0.500 L of 0.300 M AlBr3?
A
0.450
B
0.167
C
0.150
D
0.500
3) What is the molarity of CH3OH in 230 ml of solution that contains 11.7 g?
A
0.00159
B
11.9
C
1.59
D
0.0119
4) What is the molarity of a solution containing 0.45 mol NaCl in 100 mL?
A
7.8
B
45
C
0.58
D
4.5
5) What is the molarity of a solution that contains 122 g MgSO4 in 3.5 L?
A
0.550
B
0.290
C
0.271
D
0.630
6) How many grams of NaCl are in 75 mL of 0.29 M solution?
A
0.58
B
15
C
0.029
D
58
7) How many moles of KI are in 850 mL of 0.55 M solution?
A
0.94
B
0.47
C
1.6
D
3.1
8) What volume of 1.3 M solution would contain 42 g of Ca(NO3)2?
A
2.0 L
B
0.2 L
C
0.13 L
D
0.02 L
9) Which contains more Na+ ions, 500 ml of 1 M NaCl, or 250 mL of 0.5 M Na2S?
A
You can't tell
B
250 mL 0.5 M Na2S
C
Both are the same
D
500 mL 1 M NaCl
10) How many moles of C12H22O11 are needed to prepare 2.5 L of 0.300 M solution?
A
0.65
B
0.70
C
0.70
D
0.75
*select an answer for all questions
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