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What Partial Pressure of Hydrogen, H2, Is Required Above an Aqueous

Question 6

Multiple Choice

What partial pressure of hydrogen, H2, is required above an aqueous solution in order to ensure that the concentration of hydrogen in the solution is 1.00 mmol dm-3? The Henry's law constant for hydrogen is 7.78 10-3 mol m-3 kPa-1.


A) 129 Pa
B) 12.9 kPa
C) 129 kPa
D) 129 MPa

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