Consider a solution of CO2(g) dissolved in water in a closed container. Which one of the following plots correctly represents variation of log (partial pressure of CO2 in vapour phase above water) [y-

Question

Consider a solution of CO2(g) dissolved in water in a closed container. Which one of the following plots correctly represents variation of log (partial pressure of CO2 in vapour phase above water) [y-axis] with log (mole fraction of CO2 in water) [x-axis] at 25°C ?

(A) x y
(B) x y
(C) x y
(D) x y

Prashant Kotian · Accepted Answer

Correct answer: C. From Henry's law : P(g) = KH.X(g) logP(g) = logKH + logX(g)

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