The solubility of carbon dioxide in water is 0.161 g CO2in 100 mL of water at 20ºC and 1.00 atmCO2. A soft drink is carbonated with carbon dioxide gas at 5.50 atm pressure. What is the solubility of carbon dioxide in water at this pressure (assume temperature in all cases is 20ºC).

The solubility of carbon dioxide at 5.50 atm is

Explanation:

To calculate the molar solubility, we use the equation given by Henry's law, which is:

Or,

where,

are the initial concentration and partial pressure of carbon dioxide

are the final concentration and partial pressure of carbon dioxide

We are given:

Putting values in above equation, we get:

Hence, the solubility of carbon dioxide at 5.50 atm is

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