JEE Advanced 2011 Chemistry question

Dissolving 120 g of urea (mol. wt. 60) in 1000 g of water gave a solution of density 1.15 g/mL. The molarity of the solution is

Answer: (C)

Solution

Moles of urea mol. Mass of solution g. Volume of solution mL L. Molarity $=

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Question ID VK-025878