+1 vote
in Mass Transfer by (37.1k points)
For an air(A)-water vapour(B) mixture, the partial pressure of the air is 5 pa and the total pressure of the system is  15 pa. The molal absolute humidity is

(a) 0.5

(b) 1

(c) 1.5

(d) 2

This question was posed to me in examination.

My question comes from Humidification-Operation topic in section Humidification Operations of Mass Transfer

1 Answer

0 votes
by (39.8k points)
Right answer is (a) 0.5

To elaborate: Pressure of A/Total pressure- Pressure of A = 5/10 =0.5.

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