If for is , then for acid HA…

CHEMISTRY · Subjective · A Level · Chemistry · Acids and bases · Acids and bases

Problem

K_{eq}

for

A^- + \text{H}_3\text{O}^+ \rightleftharpoons \text{HA} + \text{H}_2\text{O}

10^6

, then

pK_a

for acid HA is.....