A sealed flask contains an aqueous solution of perchloric acid,
CHEMISTRY · Multi-part · A Level · Chemistry · Acids and bases · Acids and bases
Problem
A sealed flask contains an aqueous solution of perchloric acid, HClO4, at 25∘C. A pH meter indicates that the pH of the solution is 1.72.
(a) Calculate the molar concentration of HClO4 in the flask.
(b) Report your answer from part (a) using the correct number of significant figures and explain how you determined the appropriate precision.