Which of the following units is useful in relating concentration of solution
with its vapour pressure?
(i) mole fraction
(ii) parts per million
(iii) mass percentage
(iv) molality
NCERT Class XII
Chemistry - Exemplar Problems
Chapter 2. Solutions
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Answered by
3
Which of the following units is useful in relating concentration of solution
with its vapour pressure?
(i) mole fraction
(ii) parts per million
(iii) mass percentage
(iv) molality
answer is= (i) mole fraction
Answered by
5
Answer:(I) mole fraction
Explanation: p=p°xa
xa=(na)/(na+nb)
xa is the mole fraction of a.
na is the moles of a present.
p is the final vapour pressure.
p° is the vapour pressure of the pure solvent.
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