STANDARDChemistry-Solutions
STANDARD Chemistry Molality MCQ Question
Type: MCQ-numerical-Medium-Class 12
What will be the molality of a solution of glucose in water which is 10% w/W?
A
0.01 m
B
0.617 m
C
0.668 m
D
1.623 m
Correct Answer
Option B
Detailed Explanation
10 g of glucose is present in 100 g of solution. Mass of H₂O = 100 - 10 = 90 g. Molality = (10/180) × (1000/90) = 0.617 m.
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