What is the pH of 0.1M NaHCO3? K1 = 4.5 x 10-7 , K2 = 4.5 x 10-11 for carbonic Acids? Share with your friends Share 4 Himanshu Bhaardwaj answered this Easiest sol to this question 26 View Full Answer Aryan Band answered this But the answer given is 8.34 3 Deepesh# answered this yes exactly the ans given is 8.34 1