1 kg of water under a nitrogen pressure of 1 atmosphere dissolves 0.02 gm of nitrogen at 293 K. Calculate Henry's law constant:

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7 .7 x 104 atm

7 .7 x 103 atm

2 x 10-5 atm

2 x 10-2 atm

answer is A.

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Detailed Solution

PN2 = KHN2 XGas 1 = KHN2× 0.02/280.0228+100018 KHN2 = 7.7×104atm

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