1)Calculate the pH of 0.1000 M Propanoic acid (HC3h502, Ka=1.3x10^-5) after 0.020 moles of HCl is added to 1.00 L solution.
2)Calculate the pH of 0.1000 M Sodium Propanoate NaC3H5O2 (HC3H502, Ka=1.3x10^-5) after 0.020 moles of HCl is added to 1.00 L solution.
3) Calculate the pH of 0.1000 M Propanoic acid (HC3H502, Ka=1.3x10^-5) after 0.020 moles of NaOH is added to 1.00 L solution.
4) Calculate the pH of 0.1000 M Sodium Propanoate NaC3H5O2 (HC3H502, Ka=1.3x10^-5) after 0.020 moles of NaOH is added to 1.00 L solution.