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Solubility Curve Review

Last updated about 4 years ago

15 questions

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Use the graph below to answer the questions below.  

Question 1

1.

Which substance is least soluble at 0 degrees Celsius?

KClO3

NaNO3

KNO3

CaCl2

Question 2

2.

Which substance appears to only increase in solubility slightly as the temperature increases? (In other words, temperature has little effect on its solubility)

CaCl2

NaNO3

NaCl

K2Cr2O7

Question 3

3.

Which substance appears to decrease in solubility as the temperature is increased?

NaNO3

KCl

Pb(NO3)2

Ce2(SO4)3

Question 4

4.

Which substance appears to increase most in solubility as the temperature is increased? (in other words, temperature has the biggest effect on its solubility)

NaCl

KCl

NaNO3

KNO3

Question 5

5.

Which substance is most soluble at 0 degrees Celsius?

KClO3

NaNO3

KNO3

CaCl2

Question 6

6.

Which two substances have the same solubility at 71 degrees Celsius?

KCl and K2Cr2O7

KCl and NaCl

NaCl and K2Cr2O7

Question 7

7.

At what temperature would 100 grams of water dissolve 70 grams of CaCl2?

15 degrees

20 degrees

0 degrees

10 degrees

Question 8

8.

At what temperature would 100 grams of water dissolve 70 grams of KNO3?

22 degrees

43 degrees

10 degrees

0 degrees

Question 9

9.

Classify a solution that contains 20 grams of KClO3 in 100 grams of water at 70 degrees Celsius.

super saturated

not enough info

unsaturated

saturated

Question 10

10.

Based on the previous question, how many additional grams of KClO3 will dissolve at the same temperature?

0 g

10 g

5 g

15 g

Question 11

11.

How would you classify a solution that contains 45 grams of NaCl dissolved in 100 grams of water at 80 degrees Celsius?

saturated

not enough info

unsaturated

super saturated

Question 12

12.

How would you classify a solution that contains 64 grams of CaCl2 dissolved in 100 grams of water at 10 degrees Celsius?

saturated

not enough info

unsaturated

super saturated

Question 13

13.

Which of the solutes in the solubility graph is a gas?

NaNO3

Ce2(SO4)3

NaCl

KClO3

Question 14

14.

How many grams of KCl will dissolve at 60 degrees Celsius in 200 grams of water? (Hint: read that carefully!)

22.5 g

90 g

45 g

60 g

Question 15

15.

How many grams of KNO3 will dissolve at 10 degrees Celsius in 50 grams of water? (Hint: read that carefully)

40 g

10 g

20 g

30 g