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Moles, Mass, And Molarity Review
Test Description: Moles, Mass, and Molarity Review
Instructions: Answer all questions to get your test result.
1) How many moles of HCl are found in 0.500 L of stomach acid if the concentration of stomach acid is 0.1 M HCl?
A
0.2
B
0.05
C
0.1
D
5
2) Convert 0.0420 moles Cu to g Cu.
A
6.61
B
0.252
C
2.67
D
0.00697
3) How many grams are in 1.946 moles of NaCl?
A
113.8
B
30.1
C
44.7
D
0.033
4) Convert 0.622 g S to mol S.
A
51.56
B
0.02
C
32.07
D
19.94
5) Convert 0.400 mol of Au2O3 to g Au2O3.
A
176.78
B
1104.85
C
441.94
D
19.20
6) Convert 754 g P to mol P.
A
61.94
B
30.97
C
0.04
D
24.35
7) Convert 0.800 mol AlN to g AlN.
A
10.38
B
40.99
C
51.24
D
32.79
8) Convert 0.25 mol Mg to g Mg.
A
24.31
B
1.51
C
97.24
D
6.08
9) Convert 0.5 mol Fe to g Fe.
A
55.9
B
117.1
C
2.5
D
27.9
10) Convert 100 g Mn to mol Mn.
A
4.11
B
2.50
C
1.82
D
0.55
11) Convert 74 g KBr to mol KBr.
A
0.62
B
29.1
C
1.61
D
45
12) Convert 2.5 mol NaOH to g NaOH.
A
250
B
40
C
100
D
16
13) Convert 4.09 moles CuS to grams.
A
23.38
B
391.09
C
95.62
D
259.92
14) Convert 40.9 grams CaO to moles.
A
1.37
B
0.73
C
56.08
D
15.18
15) How many Liters of solution can be produced from 5.6 moles of solute if a 2.0 M solution is needed?
A
5.6
B
11.2
C
8.4
D
2.8
16) What would be the Molarity of a solution formed when 88 g of NaCl are dissolved in water to make 0.15 L of solution?
A
10.0
B
586.7
C
1.5
D
13.2
17) How many moles of solute are needed to prepare 2.50 L of 0.300 M solution?
A
1.20
B
0.75
C
0.43
D
8.33
18) What is the Molarity of 0.2 L of solution in which 2.0 moles of sodium bromide is dissolved?
A
4.0
B
2.0
C
0.4
D
10.0
19) How many grams of HCl are there in 0.3 L of a 4.0 M solution?
A
1.2
B
36.6
C
20.3
D
43.8
20) What is the Molarity of a 0.1 L solution in which 7.29 grams of HCl is dissolved?
A
2
B
4
C
5
D
3
*select an answer for all questions
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