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Question
21.5 g of sodium chloride dissolves in 60 g of water at 25°C. Calculate the solubility of sodium chloride in water at that temperature.
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Solution
According to question-
21.5 g of NaCl dissolves in 60 g of water. So, amount of NaCl which gets dissolved in 100 g of water = 21.5 x 100 / 60 = 35.8 g
Thus, the solubility of NaCl is 35.8 g at 25oC.
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