If 120.3 mL of water is shaken with oxygen gas at 2.1 atm, it will dissolve 0.0043 g O2. Estimate the Henry's law constant for the oxygen gas in water in units of g mL-1atm-1.

The Henry's law constant for oxygen gas in water is

Explanation:

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

where,

= Henry's constant = ?

= solubility of oxygen gas =

= partial pressure of oxygen gas = 2.1 atm

Putting values in above equation, we get:

Hence, the Henry's law constant for oxygen gas in water is

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