Chemistry-Types of Solutions
NEET Chemistry Types of Solutions MCQ Question
Type: MCQ-numerical-Hard-Class 12
What is the molality of a solution containing 0.5 moles of glucose dissolved in 0.5 kg of water?
A
0 mol kg⁻¹
B
0.5 mol kg⁻¹
C
0 mol kg⁻¹
D
0.25 mol kg⁻¹
Correct Answer
Option A
Detailed Explanation
Molality (m) is defined as the number of moles of solute per kilogram of solvent. Here, 0.5 moles of glucose are dissolved in 0.5 kg of water, giving a molality of 1.0 mol kg⁻¹.
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