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chemsitry

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Consider the diprotic acid H2A with K1 1*10^-3 and K2= 1*10^-9 .
Find pH, [H2A], [HA], and [A2-] for a .2000M solution of H2A

b)Find pH, [H2A], [HA], and [A2-] for a .200M solution of HA-

c) Find pH, [H2A], [HA], and [A2-] for a .200M solution of A-

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