Chemical Engineering - Stoichiometry - Discussion

Discussion Forum : Stoichiometry - Section 3 (Q.No. 41)
41.
A vessel of volume 1000 m3 contains air which is saturated with water vapour. The total pressure and temperature are 100 kPa and 20°C respectively. Assuming that the vapour pressure of water at 20°C is 2.34 kPa, the amount of water vapour (in kg) in the vessel is approximately
17
20
25
34
Answer: Option
Explanation:
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Discussion:
1 comments Page 1 of 1.

Gaurav said:   6 years ago
V= 1,000 m^3.
P= 1,00,000 Pa.
T= 20°C.

Pv=2,340 Pa.

PV=nRT.
n= (2340x1000)/(8.314x293).
n= 960 gm moles.

W= (960x18)/1000.
W= 17.
(1)

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