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Henry's law constant (kh) for CO2 in water at 20°C is 0.037 mol/(L atm). Calculate the grams of gas needed to dissolve in 2.02 L of H2O in contact with pure CO2 at 1.76 atm?

Question

Henry's law constant (kh) for CO2 in water at 20°C is 0.037 mol/(L atm). Calculate the grams of gas needed to dissolve in 2.02 L of H2O in contact with pure CO2 at 1.76 atm?

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Step 1

Find the concentration of carbon dioxide using Henry’s law, then calculate moles from concentration. Finally calculate the mass through obtained moles and molar mass of CO2.

For easy conversion of unit, the formula of Henry’s law is written as,

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Step 2

Calculate moles from the obtained concentration as below.

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Step 3

Find the mass of CO2 using moles and molar mass of CO2.

The mol...

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