Q. In one molal solution that contains 0.5 mole of a solute, there is
A) 1000 g of solvent
B) 500 mL of solvent
C) 500 g of solvent
D) 100 mL of solvent
Explanation
[Solution] Molality = moles of solute / kg of solvent, so $1 = 0.5/W$, giving $W = 0.5$ kg = 500 g of solvent. Answer (3).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.