A) 0.4 mol/kg
B) 0.8 mol/kg
C) 1.6 mol/kg
D) 1.8 mol/kg
Answer: B
Explanation: Molality counts moles of solute per kilogram of solvent. Divide 0.4 mol by 0.5 kg to obtain 0.8 mol/kg.
A) 0.4 mol/kg
B) 0.8 mol/kg
C) 1.6 mol/kg
D) 1.8 mol/kg
Answer: B
Explanation: Molality counts moles of solute per kilogram of solvent. Divide 0.4 mol by 0.5 kg to obtain 0.8 mol/kg.
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