Which of the following best describes the change in pH when an aqueous solution of a…
CHEMISTRY · Single correct · A Level · Chemistry · Acids and bases · Acids and bases
Problem
Which of the following best describes the change in pH when an aqueous solution of a strong acid is diluted from 0.010 M to 0.0010 M at 25 °C?
(a) The pH decreases by 1.0 unit.
(b) The pH remains unchanged because the acid still dissociates completely.
(c) The pH increases by 1.0 unit.
(d) The pH doubles.