Test Academy | The relative humidity of ambient air at 300 K is 50% with a partial pressure of water vapour equal to P 𝒗 . The saturation pressure of water at 300 K is P 𝒔𝒂𝒕 . The correct relation for the air-water mixture is P𝑣 = 0.5 P𝑠𝑎t, P𝑣 = 0.5 P𝑠𝑎t, P𝑣 = 0.622 P𝑠𝑎t, P𝑣 = 2 P𝑠𝑎t

Question

The relative humidity of ambient air at 300 K is 50% with a partial pressure of water vapour equal to P_𝒗. The saturation pressure of water at 300 K is P_𝒔𝒂𝒕. The correct relation for the air-water mixture is

Options :

P_𝑣 = 0.5 P_𝑠𝑎t
P_𝑣 = 0.5 P_𝑠𝑎t
P_𝑣 = 0.622 P_𝑠𝑎t
P_𝑣 = 2 P_𝑠𝑎t

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