The solubility of a sparingly soluble salt (molar mass ) is at

CHEMISTRY · Single correct · AP · Chemistry · Acids and Bases · Acids and Bases

Problem

The solubility of a sparingly soluble salt

A(\text{OH})_2

(molar mass

192.3 \text{ g mol}^{-1}

) is

19.23 \text{ g/litre}

300 \text{ K}

. The

\text{pH}

of its saturated solution assuming 80% ionisation at

300 \text{ K}

is : (1) 1.0970 (2) 12.9030 (3) 13.2041 (4) 12.0000