please help analytical chemistry

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50 ml of a .1103M solution of formic acid is titrated with a .2511M NaOH.
a) What is the pH before and NaOH is added?

b) How many mL of NaOH solution must be added to reach the equivalence pt?

c) what is the pH at the equivalence pt of the titration?

d) If the titration is continued for 40mL beyond the equivalence pt, what is the final pH?

  • please help analytical chemistry -

    What mass of BaSO4 is formed when 18.7 mL of 0.125 M Ba(NO3)2 solution is added to 16.2 mL of 0.152 M H2SO4 solution?

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