100 ml 0.1 M H_3PO_4 solution is being titrated with 0.1 M NaOHsolution. The pH of the reaction mixture keeps increasing with addition of NaOH. The successive dissociation constant of H_3PO_4 " are "10^(-3) , 10 ^(-6) and 10^(-14)respectively.What is the pH of the solution after adding 150 ml of NaOH solution?

100 ml 0.1 M H_3PO_4 solution is being titrated with 0.1 M NaOHsolutio

1.	100 ml 0.1 M H_3PO_4 solution is being titrated with 0.1 M NaOHsolution. The pH of the reaction mixture keeps increasing with addition of NaOH. The successive dissociation constant of H_3PO_4 " are "10^(-3) , 10 ^(-6) and 10^(-14)respectively.What is the pH of the solution after adding 150 ml of NaOH solution?
Answer» `3` `6` `6. 7` `5.3` SOLUTION :`PH = P^(Ka_2)= 6`