Define molarity calculate the molarity of a solution containing 20g of urea dissolved in 250 ml of solution.
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0.0833
Mass of solvent=200mg
Molar mass= 60gmol
−1
Mass of solvent= 40g of water
Molality (m)=
molecular weight of solute×mass of solvent
mass of solvent×1000
=
60×40
200×10
−3
×1000
=0.0833
Explanation:
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