An aqueous solution of shows a pOH of 2.30 at 25 , C

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

Problem

An aqueous solution of

\text{Ca(OH)}_2

shows a pOH of 2.30 at 25\,

^{\circ}

C. What is the molarity of

\text{Ca(OH)}_2

originally dissolved to make this solution? (a)

5.0\times10^{-2}\,\text{M}

(b)

5.0\times10^{-3}\,\text{M}

(c)

2.5\times10^{-3}\,\text{M}

(d)

2.5\times10^{-2}\,\text{M}