What is the pH of the solution if $$6$$ gm NaOH is added to a mixture of $$500$$ ml $$0.2$$ M $$CH3COOH$$ and $$500$$ ml $$0.2$$ M HCl. (Given$$ pKa of $$CH3COOH=5)

Question

What is the pH of the solution if $$6$$ gm NaOH is added to a mixture of $$500$$ ml $$0.2$$ M $$CH3COOH$$ and $$500$$ ml $$0.2$$ M HCl. (Given$$ pKa of $$CH3COOH=5)

Infinity Learn · Accepted Answer

HCl              $$+$$                 NaOH              →                    NaCl                $$+$$                $$H2O$$  $$t=0$$ mol            $$1$$                 $$0.15$$                             $$-$$                          $$-t$$ moles             $$-$$                  $$0.05$$                           $$0.1$$                        $$-$$                    $$CH3COOHaq$$         $$+$$          NaOH        →          $$CH3COONa$$    $$+$$    $$H2Ot=0$$ mol                 $$0.1$$                        $$0.05$$                 $$-$$                         $$-t$$ moles                  $$0.05$$                        $$-$$                  $$0.05$$                      $$-pH=pKa=5$$

What is the pH of the solution if 6 gm NaOH is added to a mixture of 500 ml 0.2 M CH3COOH and 500 ml 0.2 M HCl. (Given pKa of CH3COOH=5)

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