WorksheetsSolubility
Total questions: 10
Worksheet time: 20mins
How many grams of sodium nitrate, NaNO3, are soluble in 100 g of water t 10ºC?
100 grams
40 grams
80 grams
10 grams
Which of this salts decreases in solubility as the temperature increases.
KNO3
KClO3
K2Cr2O7
Ce2(SO4)3
At approximately what temperature does the solubility of sodium chloride, NaCl, match the solubility of potasium dichromate, K2Cr2O7?
50ºC
60ºC
83ºC
30ºC
Which salt is LEAST soluble at 0ºC?
K2Cr2O7
KClO3
Ce2(SO4)3
KNO3
A beaker containing 80 grams of lead (II) nitrate, Pb(NO3)2, in 100 grams of water has a temperature of 30ºC. Approximately how many grams of the salt are undissolved, on the bottom of the beaker?
14 grams
66 grams
80 grams
20 grams
When 50 grams of potasium chloride, KCl, is dissolved in 100 grams of water at 50ºC, the solution can be correctly described as:
unsaturated
saturated
supersaturated
When 20 grams of potasium chlorate, KClO3, is dissolved in 100 grams of water at 80ºC, the solution can be correctly described as:
supersaturated
saturated
unsaturated
Which salt is LEAST soluble at 50ºC?
K2Cr2O7
KNO3
KClO3
Ce2(SO4)3
A solution of potasium chlorate, KClO3, has 20 grams of the salt dissolved in 100 grams of water at 70ºC. Approximately how many more grams of the salt can be added to the solution before reaching the saturation point?
10 grams
80 grams
60 grams
30 grams
When 30 grams of potasium nitrate, KNO3, is dissolved in 100 grams of water at 20ºC, the solution can be correctly described as:
unsaturated
saturated
supersaturated
