AP EAMCET · Chemistry · Solutions
Which of the following units is useful in relating concentration of solution with its vapour pressure?
- A Mole fraction
- B Parts per million
- C Mass percentage
- D Molality
Answer & Solution
Correct Answer
(A) Mole fraction
Step-by-step Solution
Detailed explanation
According to Raoult's law, relative lowering of vapour pressure is directly proportional to mole fraction of solute. So, mole fraction is used in relating concentration of solution with its vapour pressure.
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