What volume of water, in mL, is needed to dissolve 0.72 mg of hydrogen gas (2.01588 g/mol) when the partial pressure of hydrogen above the water is 1.6 atm at 25 °C? The Henry's constant for hydrogen gas in water at 25 °C is 7.8×10-4 M/atm.

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What volume of water, in mL, is needed to dissolve 0.72 mg of hydrogen gas (2.01588 g/mol) when the partial pressure of hydrogen above the water is 1.6 atm at 25 °C? The Henry's constant for hydrogen gas in water at 25 °C is 7.8×10-4 M/atm.

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