1. The mole fraction of oa in air is 0.21 at 20°c. The Henry\'s Law constant for

Question

1. The mole fraction of oa in air is 0.21 at 20°c. The Henry's Law constant for Oa at this temperature is k 1.38 x 10- M/atm. a. Compute the partial pressure of 0a when the total air pressure b. Compute the concentration of oa dissolved in water kept in is 0.875 atm. contact with 0.875 atm of air at 20°C. A gaseous mixture over an aqueous solution at 20°c has a partial pressure of cOa of 0.0734 atm. The solution is found to contain 2. 2.66 x 104 moles/L of co. Compute the Henry's Law constant for coa under these conditions. 3. The Henry's Law constant for CH at 20°c is 1.25 x 10-3 M/atm. Compute the mass (in grams) of CH in contact with 20 atm of CHs gas dissolved in 100 L of water kept

Explanation / Answer

1. The mole fraction of oa in air is 0.21 at 20°c. The Henry's Law constant for

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