H3A is a weak triprotic acid (Ka1=10^−5, Ka2 = 10^−9, Ka3 = 10^−13 What is the value of pX of 0.1 M H3A (aq.) solution ? Where pX=-log X and X=[A^3−]/[HA^2−] H3A is a weak triprotic acid (Ka1=10^−5 Ka2 = 10^−9 Ka3 = 10^−13 What is the value of pX of 0.1 M H3A (aq.) [...]