The density of a solution prepared by dissolving 120 g of urea (mol. mass =60 u) in 1000 g of water is 1.15 g/mL. The molarity of this solution is
The density of a solution prepared by dissolving 120 g of urea (mol. mass =60 u) in 1000 g of water is 1.15 g/mL. The molarity of this solution is(a) 0.50M (b) 1.78M (c) 1.02M (d) 2.05M
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The molarity of the solution can be calculated by dividing the mass of the solvent (urea) by its molar mass and dividing this number by the volume of the solution. In this case, the molarity of the solution would be 1.02M (answer c).
