Problem* B
371
(c) Calculate the pH of this solution after the addition of 0.10 mole of HC1 gas
to a separate one-liter portion of the buffer.
(d) Calculate the pH of a solution made by adding 0.10 mole of solid NaOH to
100 ml of water.
(e) Calculate the pH of a solution made by adding 0.10 mole of HC1 gas to 100
ml of H 2 O.
(f) Compare the answers for (a) through (e). Comment on their significance.
41. Construct a titration curve for the titration of 40.0 ml of 0.200 M NaOH with
0.200 M HC1. Make calculations for the addition of 0.00, 5.0, 20.0, 30.0, 39.0,
39.9, 40.0, 40.1, 41.0, and 45.0 ml of HC1.
42. Calculate pH values and construct a titration curve for the titration of 25.0 ml
of 0.100 M NH 3 with 0.100 M HC1. Make calculations for the addition of 0.0,
5.0, 10.0, 20.0, 24.0, 24.9, 25.0, 25.1, 26.0, and 30.0 ml of HC1.