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Topic 7: Solutions
7. Saturated solution – Using the Solubility Curve Table G: Determining amount of solute
1. What is the maximum number of grams of NH4Cl needed to form a saturated solution in 100 g of
o
water at 65 C?
1) 30 2) 60 3) 100 4) 120
2. How many grams of KCl must be dissolved in 100 g of H2O at 60 C to make a saturated ?
o
1) 30 g 2) 45 g 3) 56 g 4) 90 g
3. According to Reference Table G, approximately how many grams of HCl are needed to saturated
100 grams of H2O at 50 C?
o
1) 50 2) 116 3) 58 4) 42
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4. What is the approximate amount of NaNO3 needed to saturate 50 grams of water that is at 10 C?
1) 80 grams 2) 100 grams 3) 40 grams 4) 50 grams
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5. According to Reference Table G, approximately how many grams of KNO3 are needed to form a
o
saturated solution of the salt in 50 grams of H2O at 20 C?
1) 70 2) 50 3) 35 4) 17
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6. How many grams of KCl must be dissolved in 200 g of H2O to make a saturated solution at 60 C?
1) 30 g 2) 45 g 3) 56 g 4) 90 g
o
7. What amount of KI is needed to make a saturated solution in 200 g of water at 20 C?
1) 290 g 2) 145 g 3) 150 g 4) 145 g
o
8. A saturated solution of KClO3 was made in 200 g of water that is at 50 C. What is the approximate
amount of the solute that was dissolved in the water? 3) 40 g 4) 60 g
1) 20 g
2) 30 g
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9. What is the total number of grams of KCl needed to saturate exactly 300 grams of water at 10 C?
1) 60
3) 80
2) 70
4) 90
10. How many grams of sodium chloride are needed to form a saturated solution in 300 g of water at
o
90 C?
1) 40 g 2) 80 g 3) 120 g 4) 160 g
11. According to Reference Table G, what is the approximate amount of potassium chlorate needed to
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form a saturated solution in 100 g of water at 10 C?
1) 135 g 2) 30 g 3) 25 g 4) 5 g
o
12. What is the maximum grams of ammonia that must be dissolved in 200 g of H2O at 20 C to form a
saturated ammonia solution ? 3) 27.5 g 4) 55 g
2) 110 g
1) 400 g
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13. A saturated solution of ammonium chloride prepared with 100 grams of water at 80 C will contain
how many grams of the solute?
1) 15 g 2) 38 g 3) 52 g 4) 66 g
14. According to Reference Table G, which solution is a saturated solution at 30 C?
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1) 12 grams of KClO3 in 100 grams of water 3) 30 grams of NaCl in 100 grams of water
2) 12 grams of KClO3 in 200 grams of water 4) 30 grams of NaCl in 200 grams of water
15. Which is a saturated solution?
o
o
1) 40 g NH4Cl in 100 g of water at 50 C 3) 52 g KCl in 100 g of water at 80 C
o
o
2) 2g SO2 in 100 g water at 10 C 4) 120 g KI in 100 g water at 20 C
236 Copyright © 2010 E3 Scholastic Publishing. All Rights Reserved. Survivingchem.com
Topic 7: Solutions
7. Saturated solution – Using the Solubility Curve Table G: Determining amount of solute
1. What is the maximum number of grams of NH4Cl needed to form a saturated solution in 100 g of
o
water at 65 C?
1) 30 2) 60 3) 100 4) 120
2. How many grams of KCl must be dissolved in 100 g of H2O at 60 C to make a saturated ?
o
1) 30 g 2) 45 g 3) 56 g 4) 90 g
3. According to Reference Table G, approximately how many grams of HCl are needed to saturated
100 grams of H2O at 50 C?
o
1) 50 2) 116 3) 58 4) 42
o
4. What is the approximate amount of NaNO3 needed to saturate 50 grams of water that is at 10 C?
1) 80 grams 2) 100 grams 3) 40 grams 4) 50 grams
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5. According to Reference Table G, approximately how many grams of KNO3 are needed to form a
o
saturated solution of the salt in 50 grams of H2O at 20 C?
1) 70 2) 50 3) 35 4) 17
o
6. How many grams of KCl must be dissolved in 200 g of H2O to make a saturated solution at 60 C?
1) 30 g 2) 45 g 3) 56 g 4) 90 g
o
7. What amount of KI is needed to make a saturated solution in 200 g of water at 20 C?
1) 290 g 2) 145 g 3) 150 g 4) 145 g
o
8. A saturated solution of KClO3 was made in 200 g of water that is at 50 C. What is the approximate
amount of the solute that was dissolved in the water? 3) 40 g 4) 60 g
1) 20 g
2) 30 g
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9. What is the total number of grams of KCl needed to saturate exactly 300 grams of water at 10 C?
1) 60
3) 80
2) 70
4) 90
10. How many grams of sodium chloride are needed to form a saturated solution in 300 g of water at
o
90 C?
1) 40 g 2) 80 g 3) 120 g 4) 160 g
11. According to Reference Table G, what is the approximate amount of potassium chlorate needed to
o
form a saturated solution in 100 g of water at 10 C?
1) 135 g 2) 30 g 3) 25 g 4) 5 g
o
12. What is the maximum grams of ammonia that must be dissolved in 200 g of H2O at 20 C to form a
saturated ammonia solution ? 3) 27.5 g 4) 55 g
2) 110 g
1) 400 g
o
13. A saturated solution of ammonium chloride prepared with 100 grams of water at 80 C will contain
how many grams of the solute?
1) 15 g 2) 38 g 3) 52 g 4) 66 g
14. According to Reference Table G, which solution is a saturated solution at 30 C?
o
1) 12 grams of KClO3 in 100 grams of water 3) 30 grams of NaCl in 100 grams of water
2) 12 grams of KClO3 in 200 grams of water 4) 30 grams of NaCl in 200 grams of water
15. Which is a saturated solution?
o
o
1) 40 g NH4Cl in 100 g of water at 50 C 3) 52 g KCl in 100 g of water at 80 C
o
o
2) 2g SO2 in 100 g water at 10 C 4) 120 g KI in 100 g water at 20 C
236 Copyright © 2010 E3 Scholastic Publishing. All Rights Reserved. Survivingchem.com
