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Molarity, Molality, & Dilution
Test Description: Molarity, Molality, & Dilution Review
Instructions: Answer all questions to get your test result.
1) What is the molarity of a solution that contains 122 g of MgSO4 in 3.5 L of solution?
A
0.281 M
B
0.630 M
C
0.290 M
D
0.550 M
2) How many moles of KI are present in 0.85 L of a 0.55 M KI solution?
A
3.10 mols
B
1.55 mols
C
0.4675 mols
D
0.935 mols
3) What is the molality of a solution that contains 5.0 mols of NaOH in 4.00 Kg of solution
A
1.25 m
B
12.5 m
C
8 m
D
0.8 m
4) What is the molality of a solution that contains 68.0 g of NaOH in 500 g of solution?
A
1.18 m
B
0.0034 m
C
1.70 m
D
3.40 m
5) You are given 100.0 ml of a 2.0 M solution of KOH. What would be the molarity of the solution if it is diluted to a volume of 1000 ml?
A
0.2 M
B
0.02 M
C
0.002 M
D
2 M
6) You are given 250.0 ml of a 12.0 M solution of CsOH. What would be the molarity of the solution if it is diluted to a concentration of 5M?
A
0.006 M
B
6 M
C
0.06 M
D
0.6 M
7) You have 200.0 ml solution in which 145.0 g of KNO3 is dissolved. What would be the new volume if you diluted the solution to a molarity of 0.35 M?
A
20.5 L
B
25.1 L
C
2.05 L
D
2.51 L
8) No Question! Ms. Nagy gets a Free Shot!!
9) No Question! Ms. Nagy gets a Free Shot!!
10) No Question! Ms. Nagy gets a Free Shot!!
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