Calculate the concentration of H+ ions of an aqueous solution of nitrous acid ( HNO2) to 0.02 mol/L knowing that the degree of ionization of acid is 3%

Answer 1

........HNO2 ==> H^+ + NO2^-
I.......0.02.....0......0
C......-6e-4....6e-4...6e-4
E........you fill in.