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A sample of carbonic acid (0.125 L, 0.199 M, pKa1 = 6.35, pKa2 = 10.33) was...

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Chemistry

A sample of carbonic acid (0.125 L, 0.199 M, pKa1 =6.35, pKa2 = 10.33) was titrated with 1.75 M NaOH.Calculate the pH at the following points:

Before the titration.

At the 1st midpoint.

At the 1st stoichiometric (equivalence) point.

At the 2nd midpoint.

At the 2nd stoichiometric (equivalence) point.

Answer & Explanation Solved by verified expert
4.1 Ratings (722 Votes)
1st mid point At first mid point pH pKa1 635 because the number of mols of carbonic acid number of mols of NaOH 1st    See Answer
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