Unit 12 Solubility Curves Worksheets With Answer Keys
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6UNIT 12 - SOLUTIONS
SOLUBILITY CURVES WORKSHEET
o
o
least
1.) Which compound is
soluble at 20
C? At 80
C?
o
o
o
most
2.) Which substance is the
soluble at 10
C? At 50
C? At 90
C?
most
3.) The solubility of which substance is
affected by changes in temperature?
least
4.) The solubility of which substance is
affected by changes in temperature?
5.) Are the following solutions saturated, unsaturated, or supersaturated?
(Assume all are dissolved in 100 grams of water.)
o
(A) 50 grams of KNO
at 50
C
3
o
(B) 100 grams of NaNO
at 80
C
3
o
(C) 30 grams of KNO
at 25
C
3
o
(D) 50 grams of KCl at 80
C
o
(E) 65 grams of NH
Cl at 70
C
4
o
(F) 90 grams of KNO
at 60
C
3
o
o
6.) NH
is a gas. Describe what happens to its solubility as the temperature goes from 20
C to 80
C.
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