Why the reaction was performed in an acidic environment

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Question- Use the equilibrium expressions below to explain why the reaction in this experiment was performed in an acidic environment.

H2A <==> Ha- + H+ (Ka=5.01 x 10E-5)

HA- <==> A- + H+ (Ka=1.51 x 10E-12)

Using textbook reference solve the reactions given in above problem

Reference no: EM13698809

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