Calculate the pH using Henderson-Hasselbalch equation of a 50mL buffer solution made  from 0.20 M HC2H3O2 and 0.50 M C2H3O2- that has an acid dissociation constant, Ka for HC2H3O2 of 1.8 x 10-5.

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2. Calculate the pH using Henderson-Hasselbalch equation of a 50mL buffer solution made  from 0.20 M HC2H3O2 and 0.50 M C2H3O2- that has an acid dissociation constant, Ka for HC2H3O2 of 1.8 x 10-5.                                                                                                      

               a.) What will be the change in pH of the buffer solution after the  addition of 1.0 mL of   0.10N HCl

               b.) What is the total buffer capacity of the solution?     

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