Calcium lactate is a salt of weak acid and represented as

CHEMISTRY · Subjective · AP · Chemistry · Acids and Bases · Acids and Bases

Problem

\text{Ca}(\text{LaC})_2

. A saturated solution of

\text{Ca}(\text{LaC})_2

contains 0.13 mole of salt in 0.50 litre solution. The pOH of this is 5.60. Assuming complete dissociation of salt, calculate

K_a

of lactic acid. (Roorkee 1991)