Asked by Rich addunya


A 0.1 molar solution of nitrous acid is 7.1 percent ionised at equilibrium what is the
A. Concentration Hydrogen ion and ph
B. Ka value of nitrous acid
Answered by Bot
A. The concentration of hydrogen ion in a 0.1 molar solution of nitrous acid is 7.1 x 10^-3 moles/L and the pH is 2.15.

B. The Ka value of nitrous acid is 7.1 x 10^-4.
Answered by DrBob222
A is right.
B is incorrect.
See your other post for the correct values for A, B, C.