Calculate the pH of a 0010 M H2SeO4aq given than Ka1 is very
Calculate the pH of a 0.010 M H2SeO4(aq) given than Ka1 is very large and Ka2= 1.2x10^-2
Solution
It\'s 2. Since pKa1 is very large, we can assume that it deprotonates once completely. Then, pKa = [H][A-]/[HA] --> x^2/0.01 = 0.01 and x=0.01. Thus, [H] = 0.01 and pH = 2
