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Worksheets

Dilutions and Solubility

Total questions: 30

Worksheet time: 49mins

Name
Class
Date
1.
What is the molarity of a solution made by diluting 26.5 mL of 6.00M HNO3 to a volume of 250 mL?
a)
15.9 M
b)
0.636 M
c)
0.642 M
d)
1.59 M
2.
A solution with a low amount of solute
a)
concentrated
b)
supersaturated
c)
saturated
d)
diluted
3.
You have a 0.5 M MgSO4 stock solution available.  Calculate the volume of the stock solution needed to make 2.0 L of 0.20 MgSO4.
a)
0.8 L
b)
5 L 
c)
0.1 L
d)
0.5 L
4.

If I dilute 250 mL of 0.10 M lithium acetate solution to a volume of 750 mL, what will the concentration of this solution be?

a)

2 M

b)

0.02 M

c)

0.030 M

d)

0.08 M

5.

How much 0.050 M HCl solution can be made by diluting 250. mL of 10.0 M HCl?

a)

301 mL

b)

5.0 x 104 mL

c)

80,000mL

d)

343 mL

6.

How much 1.50M KBr can be made from 15.6 mL of concentrated KBr with a molarity of 9.65 M?

a)

150. mL

b)

151 mL

c)

1.00 L

d)

100. mL

7.
HNO3
a)
Acid
b)
Base
8.
Solution A: 10g of Na2SO4 dissolved in 200mL of water
Solution B: 20g of Na2SO4 dissolved in 400mL of water
a)
The concentration of the solutions are the same
b)
Solution A is more concentrated than Solution B
c)
Solution A is more dilute than Solution B
d)
Not enough information
9.

125.0 mL of 2.00 M calcium hydroxide solution is diluted to a concentration of 1.50 M. How many mL of water was added to the original volume?

a)

167 mL

b)

42.0 mL

c)

93.8 mL

d)

0.0240 mL

10.
How many mL of 10.8M HCll are required to make 100.0 mL of 3.00M acid?
a)
27.8 mL
b)
27.78 mL
c)
2.8 mL
d)
278 mL
11.

What is the molarity of a solution using 100.0mL of 3.00M of stock solution and adding water to make a volume to 500.0mL?

a)

0.60M

b)

15M

c)

3M

12.

What is the molarity of a solution using 25.0mL of 2.00M of stock solution and adding water to make a volume to 500.0mL?

a)

0.100M

b)

40M

c)

1.00M

13.
magnesium nitride
a)
MgNO3
b)
Mg3N2
c)
MgN
d)
Mg2N3
14.
Which of these lists contains only soluble substances?
a)
sodium nitrate, potassium chloride, calcium carbonate
b)
lead nitrate, lead chloride, lead sulfate
c)
calcium nitrate, copper chloride, ammonium phosphate
d)
silver nitrate, barium sulfate, copper carbonate
15.
Sodium nitrate
a)
soluble
b)
insoluble
16.
FeSO4
a)
iron(IV) sulfate
b)
iron sulfate
c)
iron (II) sulfate
d)
iron sulfite
17.
Cr3(PO4)2
a)
soluble 
b)
insoluble
18.
ammonium hydroxide
a)
soluble
b)
insoluble
19.
Is lead nitrate soluble?
a)
yes
b)
no
20.
Is this sodium carbonate soluble?
a)
yes
b)
no
21.
CaCO3
a)
soluble
b)
insoluble
22.
K2CO3
a)
soluble
b)
insoluble
23.
BaSO4
a)
soluble
b)
insoluble
24.
Ca(OH)2
a)
soluble
b)
insoluble
25.
FeS
a)
soluble
b)
insoluble
26.
K2SO4
a)
soluble
b)
insoluble
27.
NaCl
a)
soluble
b)
insoluble
28.
AgCl
a)
soluble
b)
insoluble
29.
What does it mean to dilute a solution?
a)
lower the concentration of solute per solvent
b)
increase the concentration of solute per solvent
30.
The Dead Sea contains so much dissolved salt that people can easily float on it. The Dead Sea is a ________ solution.
a)
saturated
b)
suspended
c)
unsaturated
d)
supersaturated