Chemistry-Types of Solutions
NEET Chemistry Types of Solutions MCQ Question
Type: MCQ-numerical-Easy-Class 12
What is the molality of a solution if 2 moles of glucose are dissolved in 500 grams of water?
A
4 mol kg⁻¹
B
0.5 mol kg⁻¹
C
2 mol kg⁻¹
D
1 mol kg⁻¹
Correct Answer
Option A
Detailed Explanation
Molality (m) is calculated as the number of moles of solute per kilogram of solvent. Here, 2 moles of glucose are dissolved in 0.5 kg of water, so the molality is 2 / 0.5 = 4 mol kg⁻¹.
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