Given [NaOH] of 0.1189 M Calculate Ka1 for each trial. Calculate average Ka1. Calculate Ka2 for each trial. Calculate average Ka2. TRIAL 1: pH at midpoint 1 = 1.8217 pH at midpoint 2 = 6.679 V of NaOH (titrant) needed for 1st equivalence point = 18.50 mL V of NaOH (titrant) needed for 2nd equivalence point = 34.99 mL V of NaOH (titrant) needed for midpoint 1 = 9.25 mL V of NaOH (titrant) needed for midpoint 2 = 26.745 mL TRIAL 2: pH at midpoint 1 = 3.963 pH at midpoint 2 = 9.071 V of NaOH (titrant) needed for 1st equivalence point = 14.78 mL V of NaOH (titrant) needed for 2nd equivalence point = 29.49 mL V of NaOH (titrant) needed for midpoint 1 = 7.39 mL V of NaOH (titrant) needed for midpoint 2 = 22.135 mL TRIAL 3: pH at midpoint 1 = 1.637 pH at midpoint 2 = 6.633 V of NaOH (titrant) needed for 1st equivalence point = 14.72 mL V of NaOH (titrant) needed for 2nd equivalence point = 29.25 mL V of NaOH (titrant) needed for midpoint 1 = 7.36 mL V of NaOH (titrant) needed for midpoint 2 = 21.985 mL TRIAL 4: pH at midpoint 1 = 3.963 pH at midpoint 2 = 9.071 V of NaOH (titrant) needed for 1st equivalence point = 14.78 mL V of NaOH (titrant) needed for 2nd equivalence point = 29.49 mL V of NaOH (titrant) needed for midpoint 1 = 7.39 mL V of NaOH (titrant) needed for midpoint 2 = 22.135 mL
Given [NaOH] of 0.1189 M
- Calculate Ka1 for each trial.
- Calculate average Ka1.
- Calculate Ka2 for each trial.
- Calculate average Ka2.
TRIAL 1: pH at midpoint 1 = 1.8217
pH at midpoint 2 = 6.679
V of NaOH (titrant) needed for 1st equivalence point = 18.50 mL
V of NaOH (titrant) needed for 2nd equivalence point = 34.99 mL
V of NaOH (titrant) needed for midpoint 1 = 9.25 mL
V of NaOH (titrant) needed for midpoint 2 = 26.745 mL
TRIAL 2: pH at midpoint 1 = 3.963
pH at midpoint 2 = 9.071
V of NaOH (titrant) needed for 1st equivalence point = 14.78 mL
V of NaOH (titrant) needed for 2nd equivalence point = 29.49 mL
V of NaOH (titrant) needed for midpoint 1 = 7.39 mL
V of NaOH (titrant) needed for midpoint 2 = 22.135 mL
TRIAL 3: pH at midpoint 1 = 1.637
pH at midpoint 2 = 6.633
V of NaOH (titrant) needed for 1st equivalence point = 14.72 mL
V of NaOH (titrant) needed for 2nd equivalence point = 29.25 mL
V of NaOH (titrant) needed for midpoint 1 = 7.36 mL
V of NaOH (titrant) needed for midpoint 2 = 21.985 mL
TRIAL 4: pH at midpoint 1 = 3.963
pH at midpoint 2 = 9.071
V of NaOH (titrant) needed for 1st equivalence point = 14.78 mL
V of NaOH (titrant) needed for 2nd equivalence point = 29.49 mL
V of NaOH (titrant) needed for midpoint 1 = 7.39 mL
V of NaOH (titrant) needed for midpoint 2 = 22.135 mL
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