4.5 g of urea is dissolved in water and solution is made to 100 ml in a volumetric flask. Calculate the molarity of solution?

Answers (1)
S Sumit

Molarity = no. of moles / volume of solution in L
mole of urea = 4.5 / 60
volume of solution = 100/1000 = 0.1 L
molarity = 4.5/(60*0.1)
             = 3/4
             = 0.75 mol/l

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