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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 .

(16)

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