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Unit 9 Review

Last updated 5 months ago

11 questions

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1

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Question 1

1.

Question 2

2.

Question 3

3.

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Question 8

8.

Question 9

9.

Question 10

10.

Question 11

11.

Identify the solvent when sugar is dissolved in coffee.

Coffee

Water

Milk

Honey

If 0.8 moles of solute are dissolved in 20.0 L, molarity is?

8.0 M

0.04 M

16.0 M

4.0 M

What term is used to describe a solution that has reached its maximum solubility?

Unsaturated solution

Saturated solution

Super-saturated solution

Diluted solution

Question 4

4.

Question 5

5.

Question 6

6.

Question 7

7.

What is the molarity of a solution with 15g of NaCl dissolved in 5.0L of water?

0.03 M

0.05 M

1.5 M

3.0 M

Which of the following is likely to form a precipitate?

NaCl

Mg(NO3)2

K2SO4

CaCO3

Which of the following shows correct dissociation equation for K2SO4?

K2SO4(aq) -> K+(aq) + SO42-(aq)

K2SO4(aq) -> 2K+(aq) + SO42-(aq)

2K2SO4(aq) -> 4K+(aq) + 2SO42-(aq)

K2SO4(aq) -> 2K+(aq) + 2SO42-(aq)

If a 7.0M solution was diluted to 2.5 M 40 mL solution,  what was the initial volume of the solution?

14.3 mL

112 mL

3.8 mL

100 mL

How much NaNO3 must be dissolved in 100 g of water at 40C to create a saturate solution?

150

105

90

120

Dissolving 60 g of HCl into 100 g of water at 40C will yield what type of solution?

saturated

supersaturated

unsaturated

Which compounds solubility is least affected by temperature changes?

KI

NaCl

KNO3

KClO3

At what temperature does HCl have the same solubility in water as KNO3? 

145C

40C

20C

80C