Liquid ammonia ionises to a slight extent

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

Problem

Liquid ammonia ionises to a slight extent. At

-50^\circ C

, its ionisation constant,

K_{NH_3} = [NH_4^+][NH_2^-] = 10^{-30}

. How many amide ions are present per cm³ of pure liquid ammonia? Assume

N = 6.0 \times 10^{23}