Calculating the pH of an Acid Base Solution

Part Question pH pH Calculator Results Step-by-Step Solutions
(a) Calculate the pH of the acetic acid solution BEFORE addition of NaOH 2.8328
(b) Calculate the pH after the addition of 3.00 mL of NaOH 3.8844
(c) Calculate the pH after the additon of 12.5 mL of NaOH (midpoint) 4.7451
(d) Calculate the pH after the addtion of 25 mL of NaOH (equivalence point) 8.7614
(e) Calculate the pH after the addition of 35 mL of NaOH 12.3010
Part Volume of NaOH added pH pH Calculator Results Step-by-Step Solutions
(a) 0 mL 1.0000
(b) 25 mL 1.6368
(c) 39 mL 2.8976
(d) 39.9 mL 3.9025
(e) 40 mL 7.0000
(f) 40.1 mL 10.0964
(g) 50 mL 12.0458
Part Question pH pH Calculator Results Step-by-Step Solutions
(a) Initial pH 13.0607
(b) pH at 4.7 mL of added acid 12.9067
(c) pH at the equivalence point 7.0000
(d) pH after adding 4.7 mL of acid beyond the equivalence point (27.2864 mL + 4.7 mL) 2.0506
Concentration of HClO2 pH at Equivalence Point pH Calculator Results Step-by-Step Solutions
0.0918 M 7.3102
pH pH Calculator Results Step-by-Step Solutions
10.3124
Part Volume of KOH solution added pH pH Calculator Results Step-by-Step Solutions
(a) 0 mL 2.5051
(b) 20 mL 4.0126
(c) 39 mL 5.6021
(d) 40 mL 8.3545
(e) 41 mL 11.0915

Calculating the Molarity

Molarity of NaOH pH Calculator Results Step-by-Step Solutions
0.0912 M
pH at Equivalence Point Molarity of CH3COOH pH Calculator Results Step-by-Step Solutions
8.6584 0.0747 M

Calculating the Volume

pH at Equivalence Point Volume of KOH pH Calculator Results Step-by-Step Solutions
9.0168 36.8382 mL
pH at Midpoint Volume of HCOOH pH Calculator Results Step-by-Step Solutions
13.5326 8.3333 mL
Volume of HCl Added pH Calculator Results Step-by-Step Solutions
8.2555 mL

Finding a Suitable pH Indicator

pH at Equivalence Point pH Indiciator #1 pH Calculator Results Step-by-Step Solutions
8.7614 Phenolphthalein
pH at Equivalence Point pH Indicator #1 pH Indicator #2 pH Calculator Results Step-by-Step Solutions
7.0000 Phenol Red Bromothymol Blue