Question

Calculate the pH at the equivalence point in titrating 0.047 M solutions of each of the following with 0.055 M NaOH.




(a) nitric acid (HNO₃)

pH =



(b) acetic acid (HC₂H₃O₂), K_a = 1.8e-05

pH =



(c) benzoic acid (HC₇H₅O₂), K_a = 6.3e-05

pH =



^{​​​​​​​}

Calculate the pH at the equivalence point in titrating 0.047 M solutions of each of the following with 0.055 M NaOH. (a) nitric acid (HNO3) pH = (b) acetic acid (HC2H302), Ka = 1.84-05 pH = (c) benzoic acid (HC7H502), Ka = 6.30-05 pH =

Answer 1

Convevted neuhal Salt NORo at eauvalente Point AS Salt Fomec 1S neuha acene ac acetate Conve ed AS aths as louse Rauvalence polnt, base acid moles moes O-055 CBase, Ccco Cacd molej at eauvalence poin volumeう( Tora 4t) o0253 m 20-025M Calcolate 5 6x1010 1-8K16 &025 m O-025-x G Cas ISfess neglest Cemoon Cor Cetsco ちくxs10 2 CoM2 3.7 x106 14-00 - $-43 5-43 pon

CA 2 0.025 M CSame as b Ceenzode Kw 2-1x10 fo K 2 2 6-3x165 40 21R1610 fod O-025 Con 2x 2 2-3x 10 M. pon pH 14-00-5- 8-36