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Question Group Info

This question group is public and is used in 40 tests.

Author: LBeth
No. Questions: 10
Created: Feb 20, 2014
Last Modified: 6 years ago

Solubility Curves

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Use the solubility curve graph to answer the questions.
Solubility Chart
Grade 9 Bonds and Mixing
A.
Which of the following has a solubility that decreases as temperature increases?
  1. KCl
  2. NH3
  3. KNO3
  4. Ce2(SO4)3
Grade 9 Bonds and Mixing
B.
The solubility of potassium chloride                      as its temperature                     .
  1. increases; increases
  2. decreases; decreases
  3. increases; decreases
  4. decreases; increases
Grade 9 Bonds and Mixing
C.
Which is least soluble in water at 30°C?
  1. KCl
  2. KNO3
  3. KClO3
  4. Ce2(SO4)3
Grade 9 Bonds and Mixing
D.
Which salt is most soluble in water at 20°C?
  1. KI
  2. KCl
  3. KClO3
  4. Ce2(SO4)3
Grade 9 Bonds and Mixing
E.
How many grams of KClO3 can be dissolved at 80°C?
  1. 22 g
  2. 40 g
  3. 50 g
  4. 64 g
Grade 9 Bonds and Mixing
F.
At what temperature will 80 grams of KNO3 dissolve?
  1. 30°C
  2. 44°C
  3. 50°C
  4. 144°C
Grade 9 Bonds and Mixing
G.
At which of the temperatures is 40 grams of KCl unsaturated?
  1. 30°C
  2. 40°C
  3. 50°C
  4. 60°C
Grade 9 Bonds and Mixing
H.
40 grams of which of the following is supersaturated at 10°C?
  1. KI
  2. NH3
  3. NH4Cl
  4. NaNO3
Grade 9 Bonds and Mixing
I.
NaNO3 and KNO3 have the same solubility at what temperature?
  1. 28°C
  2. 73°C
  3. 136°C
  4. 150°C
Grade 9 Bonds and Mixing
J.
At what temperature is the solubility of ammonia the same as the solubility of sodium nitrate?
  1. 6°C
  2. 32°C
  3. 56°C
  4. 77°C