Chemical Equilibrium'

a) calculate the pH-value in a humous stream where 15mM of the organic acid H2L with pKa1 = 4.8 and pHa2 = 8.3 is assumed to decide the pH-value

b) what is the pH-value after liming if a strong base corresponding 7 x 10-4 mol OH- per liter was added to the brook?

Sample Solution