A laboratory supervisor is authorized to purchase a new osmometer.The supervisor must decide between a freezing-point and a vapor-pressure model.
-Using the information provided,what substance is used as a reference standard in both models?
A) KCl
B) Distilled water
C) NaCl
D) Deionized water

Question

Quizplus · Accepted Answer

NaCl is commonly used as a reference standard in both freezing-point and vapor-pressure osmometers due to its well-known osmotic properties.

A Laboratory Supervisor Is Authorized to Purchase a New Osmometer