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Question

If N2 gas bubbled through water at 293K how many millimoles of N2 gas would dissolve in 1 litre of water? Assume that exerts a partial pressure of 0.987bar.

Given that Henry's law constant for N2 at 293K is 76.48Kbar :

A
0.716
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B
0.62
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C
0.93
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D
0.54
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Solution

The correct option is A 0.716
By Henry's Law,Kn.x=pKn.moles100018=p
moles=0.98776.48×10×1018

moles=0.716×103moles

=0.716 mmoles

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