MEDIUMMCQ SINGLEJEE Mains ChemistryPhysical ChemistryMole _ Equivalent ConceptStrength of Solution
Dissolving 120g of urea (mol. wt. 60) in 1000g of water gave a solution of density 1.15 g/mL. The molarity of the solution is
A.1.78 M
B.2.00 M
C.2.05 M✓ Correct
D.2.22 M
Explanation
Given, Mass of solute= 120 g. Mass of solvent= 1000 g. Mass of solution= 1120 g. Volume= mass/density=1120/1.15 Therefore, Molarity of solution = 2 1000 1.15/1120 2.05M x x
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