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1. Determine the volume in mL of 0.2 M NaOH(aq) needed to reach halfway to the...

1. Determine the volume in mL of 0.2 M NaOH(aq) needed to reach halfway to the equivalence (stoichiometric) point in the titration of 31 mL of 0.21 M propanoic acid(aq). The Ka of propanoic acid is 1.3 x 10-5.

2. Determine the pH at the equivalence (stoichiometric) point in the titration of 26 mL of 0.15 M (CH3)2NH(aq) with 0.2 M HCl(aq). The Kbof (CH3)2NHis 5.4 x 10-4.

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