Answer to Question #166020 in General Chemistry for Marie

General Chemistry

Question #166020

Calculate the molality of a solution containing 10.8g of ethylene glycol (C2H6O2) in 360g of water.

Expert's answer

n(C₂H₆O₂)=m/Mr=10.8/62=0.17 mol

molality=n(C₂H₆O₂)/m(H₂O(kg))= 0.17/0.36=0.48 mol/kg

Answer: the molality of solution is 0.48 mol/kg

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