Mole fraction of a gas in water is 0.001 at STP determine its Henry 's law constant

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Solution

$Molefractionofgas,χsolute=0.001$
$T h e r e f o r e A c c o r d i n g t o h e n r y l a w$
$P = K_{H} \times χ_{S o l u t e}$
$W h e r e P i s p r e s s u r e o f g a s, K_{H} i s H e n r y^{'} s c o n s t a n t$
$P r e s s u r e a t S T P = 1 a t m$
$N o w 1 a t m = K_{H} \times 0.001$
$K_{H} = 1000 a t m$

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