Use the equilibrium expressions below to explain why the, Chemistry

Use the equilibrium expressions below to explain why the

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 10^-5

HA- <-----> A- + H+ Ka = 1.51 x 10^-12

Please assists me to understand How to do fix this?

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Chemistry: Use the equilibrium expressions below to explain why the

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Chemistry: Use the equilibrium expressions below to explain why the

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