Chemistry > 2006 > 30
WASSCE
When 50cm3 of a saturated solution of KNO3 at 25°C was evaporated to dryness, 10g of dry salt was obtained. What is the solubility of KNO3 at 25°C?
[KNO3 = 101]
[KNO3 = 101]
A.
0.10 mol dm-3
B.
2.0 mol dm-3
C.
5.0 mol dm-3
D.
10.0 mol dm-3
Answer: B
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