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WorksheetsIV Solutions Review
Total questions: 21
Worksheet time: 5hrs 37mins
Name
Class
Date
1.
Solvent is best defined as-
a)
a mixture in which the substances are spread out evenly between one another and cannot be told apart
b)
the ability of a substance to dissolve in another substance
c)
a substance that dissolves in another substance
d)
a substance into which another substance dissolves
2.
You have 0.00015 grams of sugar dissolved in 500 grams of water. What is the solution's concentration in ppm?
a)
0.3 ppm
b)
300 ppm
c)
0.0003 ppm
d)
333333 ppm
3.
A solution is made by mixing 6.44 g of CaCl2 in 150 mL of distilled water. Identify the solute in this solution.
a)
CaCl2
b)
water
c)
CaCl2 + water
d)
none of the above
4.
What is the molality of a solution containing 1.3 mol in 13.4 kg of solution?
a)
9.7 m
b)
17.42 m
c)
0.097 m
5.
What is the molarity of 3 mole of HCl in 3 L of water.
a)
3 M
b)
1 M
c)
6 M
d)
9 M
6.
What is the mass percent of .500 g acetic acid dissolved in 1 kg of water?
a)
0.05%
b)
0.5%
c)
4.997%
d)
5.0%
7.
What is the mass in grams of 5.90 mol C8H18?
a)
.0512 g
b)
19.4 g
c)
673 g
d)
389 g
8.
What is the molality of 1.2 g of HCl in 750 g of water?
a)
0.04 m
b)
0.00004 m
c)
0.0016 m
9.
What factors DO NOT affect solubility
a)
Temperature
b)
Agitation
c)
Color
d)
Surface Area of solute
10.
Which solute is the least soluble at 90 ⁰C?
a)
SO2
b)
KClO3
c)
KI
d)
HCl
11.
Calculate the molarity of the following solution: 1.0 moles of KCl in 750.0 mL of solution.
a)
0.750 M
b)
99 M
c)
1.3 M
d)
2.0 M
12.
0.0006 grams of mercury was found in a 5 kg sample of water. What is the concentration of mercury in ppm?
a)
120 ppm
b)
0.12 ppm
c)
120000 ppm
d)
1200 ppm
13.
What is the molarity of a solution which contains 22.41 grams of NaCl in 50.0 mL of solution?
a)
0.488 M
b)
7.66 M
c)
7.67 M
d)
0.00767 M
14.
If there is more than the maximum amount of solute particles in a solution, it is said to be
a)
saturated
b)
unsaturated
c)
supersaturated
d)
concentrated
15.
How many grams of K2Cr2O7, are soluble in 100 g of water at 95 ºC?
a)
83 grams
b)
75 grams
c)
40 grams
d)
12 grams
16.
When 20 grams of potassium chlorate, KClO3, is dissolved in 100 grams of water at 80 ºC, the solution can be correctly described as:
a)
supersaturated
b)
saturated
c)
unsaturated
17.
6.5 x 10-8 grams of a chemical is found in 5 grams of water. What is the concentration of the chemical in ppb?
a)
0.000000013 ppb
b)
0.013 pbb
c)
76923076 ppb
d)
13 ppb
18.
If there is the maximum amount of solute in a solution, it is said to be
a)
saturared
b)
unsaturated
c)
supersaturated
d)
concentrated
19.
A scientist states there is 0.00875 grams of lead in a 300 kg sample of water. What is the concentration of lead in ppb?
a)
0.029 ppb
b)
29 ppb
c)
29.167 ppb
d)
0.000029 ppb
20.
Molarity is measured in
a)
m
b)
M
21.
If there is less solute than the maximum amount, the solution is said to be
a)
saturated
b)
unsaturated
c)
supersaturated
d)
concentrated
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