8. The Henry's law constant (kH) for O2 in water at 20 C is 1.28 x...

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8. The Henry's law constant (kH) for O2 in water at 20 °C is 1.28 x 10-3 mol/L atm. How many grams of O2 will dissolve in 2.50 L of H2O that is in contact with pure O2 at 1.00 (a) atm? (b) How many grams of O2 will dissolve in 2.50 L of H2O that is in contact with air, where the partial pressure of O2 is 0.209 atm? 8. The Henry's law constant (kH) for O2 in water at 20 °C is 1.28 x 10-3 mol/L atm. How many grams of O2 will dissolve in 2.50 L of H2O that is in contact with pure O2 at 1.00 (a) atm? (b) How many grams of O2 will dissolve in 2.50 L of H2O that is in contact with air, where the partial pressure of O2 is 0.209 atm?