Explain doubly-ionized form of h3a and a weak triprotic acid

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Which of the following expressions hold for 0.10 mol/L Na2HA(aq). (HA2- is the doubly-ionized form of H3A, a weak triprotic acid.) A) [H2A-] = 2 [HA2-] = 3 [A3-] B)0.5 [Na+] = [H3A] + [H2A-] + [HA2-]+[A3-] C) [H+] = [H2A-] + 2 [HA2-] + 3 [A3-] + [OH-] D)[H+] = [H2A-] + [HA2-] + [A3-] + [OH-] E) Ka1=[H2A-][H+]/[H3A] F)Ka2=Kw/Ka1 G)[H+] + [OH-] = Kw

Reference no: EM13313411

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