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The following experiment is conducted to measure the Henry's law constant of chloroform (CHCL_3). A vessel with a volume of 2 L is half filled with water and then sealed, so it contains 1 L of water and 1 L of air. One gram of liquid chloroform is injected into the water through a rubber septum. The contents are thoroughly mixed and then allowed to equilibrate. A sample of gas is extracted from the air space above the water. Using a gas chromatograph, it is determined that the mass concentration of the chloroform in air is 89 mg/L. Determine the value of the Henry's Law constant in units of M atm.

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