22. The solubility curve of
KNO3 in water is shown below
The amount of KNO3 that dissolves in 50g of water at 40° C is closest to
a. 100g
b. 150 g
c. 200g
d. 50g
Ans. a
Explanation : At 40° C solubility is 200 g per 100mL .
(19)
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