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The diacid compound H2A of concentration 0.100 M and volume 50.00 mL (pKa1 = 4, pKa2...

The diacid compound H2A of concentration 0.100 M and volume 50.00 mL (pKa1 = 4, pKa2 = 7) was titrated with NaOH 0.500 M.

  1. Write the two titration reactions, and calculate the two equivalence volumes
  2. Write the three acid / base equilibrium reactions for H2A
  3. Calculate the pH at the following added NaOH volumes: 0, 5,10,13, 20, 25 mL
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Answer #1

HA (diacid) olmg of somx 5mmol pka, = 4 Ka, =104 pka₂ = 7 Kaz=107 Naot - 0.5M a HA + NaOH RIGHA & HO MiVi=M₂ V and Base O.MX

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