Sketch the pH vs volume of added base titration curve for this reaction. pH vertically, volume of base horizontally. Label your axes with correct pH and volumes. (Attach more space, if needed) b) what is the pH at the beginning of the titration, Vbase = 0.00 mL ? c) what is the volume of the base needed to reach the equivalence point ? (label the equiv. point) d) what is the pH at the equivalence point? e) what is the pH of the titration when 5.00 mL of base have been added ? f) what is the pH when the volume of base added equals half the volume of the equivalence point? g) what is the pH of the titration when 20.00 mL of base have been added?
The weak monoprotic acid, acetic acid, is titrated with the strong base, potassium hydroxide as follows:
HC2H3O2(aq) + K+ OH- (aq) → K+ C2H3O2-(aq) + H2O(l)
Ka for acetic acid is 1.81 x 10-5 (at 25 oC). A 25.00 mL sample of a solution of acetic acid with concentration 0.0833 M is titrated with 0.1000 M KOH.
a) Sketch the pH vs volume of added base titration curve for this reaction. pH vertically, volume of base horizontally. Label your axes with correct pH and volumes. (Attach more space, if needed)
b) what is the pH at the beginning of the titration, Vbase = 0.00 mL ?
c) what is the volume of the base needed to reach the equivalence point ? (label the equiv. point) d) what is the pH at the equivalence point?
e) what is the pH of the titration when 5.00 mL of base have been added ?
f) what is the pH when the volume of base added equals half the volume of the equivalence point?
g) what is the pH of the titration when 20.00 mL of base have been added?
h) what is the pH of the titration when 30.00 mL of base have been added?
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