The acid nitrous acid HNO2 has a Ka of 45 Solution Ka 45 x

The acid nitrous acid, HNO₂, has a K_a of 4.5

Ka = 4.5 x 10^-4 = X^2 / 0.2 - X

=> X = 0.0095 M

% ionisation = 0.0095 x 100 / 0.2 = 4.75 %

The acid nitrous acid, HNO2, has a Ka of 4.5 Solution Ka = 4.5 x 10^-4 = X^2 / 0.2 - X => X = 0.0095 M % ionisation = 0.0095 x 100 / 0.2 = 4.75 %

Tutor

Dr Jack

Tutor: Dr Jack

Most rated tutor on our site