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Chemistry 102
September 2021
25

Chemistry 102 Q&A Archive of September 25, 2021

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September 25 of 2021

Calculate the ratio of ammonia nitrogen in the NH3 form to that of NH4+ form in a solution with a pH of 7.40.

Determine the concentration of oxygen dissolved in water at 20o C in equilibrium with a gas mixture at 0.81 atm and containing 21 percent by volume of oxygen.

Calculate the pH of the rainwater thst is in equilibrium with air that has an SO2 concentration of 2ppm

The alkalinity of verde river is 250 mg caco3/l, calculate the molar concentration of the following species under ph = 8. 1-Hydroxide Ion 2- bicarbonate ion 3-carbonate ion 4-calcium.