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# Calculation: Henry's Law

CHEM-YIGVC2

The solubility of hydrogen gas in water is 0.0016 g/kg at 4 °C when the pressure of hydrogen above water is 1.0 atm.

Using Henry's Law ($C = kP$), where $C$ is the hydrogen concentration in M, calculate the solubility of hydrogen gas in water when the partial pressure of hydrogen above water is 0.030 atm at 4 °C.

A

$4.8 \times {10}^{-5}\ M$

B

$2.4 \times {10}^{-5}\ M$

C

$0.026\ M$

D

$0.053\ M$