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Compute the ph at the first equivalence point

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Weak diprotic acid H2A is titrated with 0.2000 M NaOH. The initial concentration of H2A is 0.1000 M and the initial volume is 50.00 mL. Ka1 = 1.0 x 10?5 Ka2 = 1.0 x 10?9 a) Identify the predominate species at the first equivalence point, by chemical formula: b) Calculate the pH of the solution before any base is added. c) Calculate the pH at the first equivalence point. d) How many mL base, total, must be added to achieve the 2nd equivalence point? e) Calculate the pH at the second equivalence point. f) ) From the attached table of acid/base indicator transition ranges (bottom half of p.7), identify an appropriate indicator for: i) the 1st equivalence point ii) the 2nd equivalence point:

Reference no: EM13197195

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