On a clear day at sea level, with a temperature of 25 °C, the partial pressure of N2 in air is 0.78 atm and the concentration of nitrogen in water is 5.3 × 10-4 M. When the partial pressure of N2 is ________ atm, the concentration in water is 2.0 × 10-3 M.
A) 0.63
B) 0.68
C) 1.0
D) 3.0
E) 3.2
Correct Answer:
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