Worksheetssolubility
Total questions: 8
Worksheet time: 17mins
Name
Class
Date
1.
At approximately what temperature does the solubility of sodium chloride, NaCl, match the solubility of potassium dichromate, K2Cr2O7?
a)
60 ºC
b)
30 ºC
c)
50 ºC
d)
83 ºC
2.
How many grams of K2Cr2O7, are soluble in 100 g of water at 95 ºC?
a)
83 grams
b)
75 grams
c)
40 grams
d)
12 grams
3.
Which substance is MOST soluble at 0 ºC?
a)
KI
b)
NaNO3
c)
NaCl
d)
Ce2(SO4)3
4.
When 20 grams of potassium chlorate, KClO3, is dissolved in 100 grams of water at 80 ºC, the solution can be correctly described as:
a)
supersaturated
b)
saturated
c)
unsaturated
5.
When 42 grams of potassium chloride, is dissolved in 100 grams of water at 50 ºC, the solution can be correctly described as:
a)
supersaturated
b)
saturated
c)
unsaturated
6.
At what temperature does the solubility of NaCl, match the solubility of K2Cr2O7?
a)
60
b)
30
c)
83
d)
50
7.
Which solute does not increase in solubility as the temurature increases?
a)
NaCl
b)
SO2
c)
KClO3
d)
KNO3
8.
At what temperature can you fully dissolve 140g of NaNO3?
a)
62
b)
73
c)
81
d)
You cannot determine this
100 %
