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Water and Solutions Review

Total questions: 20

Worksheet time: 21mins

Name
Class
Date
1.

What type of bond holds a single water molecule together?

a)

covalent

b)

ionic

c)

hydrogen

d)

weak

2.

What is the inward force that reduces the surface area of a water droplet?

a)

hydrogen bonds

b)

centripetal force

c)

surface tension

d)

capillary action

3.

What is the unit for molarity?

a)

Moles

b)

grams/Liter

c)

Moles/mL

d)

Moles/L

4.

What causes water to move up the roots of a plant by "sticking" to the walls?

a)

cohesion

b)

capillary action

c)

surface tension

d)

gravity

5.

What is the molarity of 50mols of sodium chloride in 2Liters of water?

a)

25M

b)

.25M

c)

3M

d)

50M

6.

A solution contains chunks of solute at the bottom of the beaker. How would you describe this solution?

a)

saturated

b)

unsaturated

7.

45g of potassium bromide are dissolved in 1.5 L of water. What is the molarity?

a)

30M

b)

0.57M

c)

1M

d)

0.25M

8.

How many grams of Lithium sulfide are needed to make 100mL of 0.5M solution?

a)

2.30g

b)

1.95g

c)

9.19g

d)

.001g

9.

How many ions will strontium chloride form in solution?

a)

1

b)

2

c)

3

d)

4

10.

How many ions will C2H4 form in solution?

a)

1

b)

2

c)

6

d)

8

11.

What is the percent concentration of 20grams of acid dissolved in 150grams of water?

a)

20.0%

b)

13.3%

c)

1.3%

d)

2%

12.

What is force that causes water molecules to "stick" to each other?

a)

molarity

b)

adhesion

c)

cohesion

d)

capillary action

13.

How many grams of CaCl2 can dissolve 25 degrees Celsius?

a)

70g

b)

10g

c)

90g

d)

7g

14.

Colligative properties depend on the _____ of ions in solution.

a)

type

b)

identity

c)

mass

d)

number

15.

Salt lowers the freezing point of water by interrupting these bonds in water.

a)

hydrogen bonds

b)

covalent bonds

c)

ionic bonds

d)

capillary bonds

16.

Which compound will be the best at lowering the freezing point of water?

a)

NaCl

b)

C6H12O6

c)

CaCl2

d)

CuBr3

17.

What kind of compounds do not ionize in water?

a)

ionic compounds

b)

molecules

c)

organic acids

d)

polyatomic ion compounds

18.

What property of water allows it to climb up tubes, towels, roots, etc.?

a)

cohesion

b)

adhesion

c)

surface tension

d)

vapor pressure

19.

What volume of water is needed to make a 1M solution of HCl with 50g of HCl?

a)

50L

b)

5L

c)

1.82L

d)

1.37L

20.

As the temperature of a solution increases, the solubility typically ______.

a)

increases

b)

decreases

c)

stays the same