A chemist dissolves of gaseous in enough water to prepare 250 mL of solution at 25 °C

CHEMISTRY · Single correct · A Level · Chemistry · Acids and bases · Acids and bases

Problem

A chemist dissolves

1.5\times10^{-3}\,\text{g}

of gaseous

\text{HCl}

in enough water to prepare 250 mL of solution at 25 °C. What is the pH of the resulting solution? (Molar mass of

\text{HCl} = 36.46\,\text{g mol}^{-1}

) (a) 2.22 (b) 3.78 (c) 4.20 (d) 10.22