The Concentration of Nitrogen in Water at 25 ^$\circ$ C Was Determined to Be 7

question 61

Multiple Choice

The concentration of nitrogen in water at 25 ^$\circ$ C was determined to be 7.2 * 10^-6 M. Calculate the partial pressure of nitrogen at the surface of the water in mmHg. The Henry's law constant for nitrogen gas at 25 ^$\circ$ C is 6.8 * 10^-4 mol/L·atm.

• A) 2.0 mmHg
• B) 4.0 mmHg
• C) 6.0 mmHg
• D) 8.0 mmHg
• E) None of the above

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