JEE Main 2013 Chemistry question
The density of 3M solution of sodium chloride is 1.252 g . The molality of the solution will be : ( molar mass, NaCl = 585 g )
Answer: (3)
Solution
1 L of solution weighs 1252 g and contains 3 mol NaCl = 175.5 g (M = 58.5).
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