ExamBro
ExamBro
AP EAMCET · Chemistry · Solutions

Which of the following units is useful in relating concentration of solution with its vapour pressure?

  1. A Mole fraction
  2. B Parts per million
  3. C Mass percentage
  4. D Molality
Verified Solution

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.