The equilibrium constant for the reaction
HNO₂(aq)+ H₂O(l) →NO₂ $\rightarrow$ (aq)+ H₃O⁺(aq)
is 4.3 * 10^-4 at 25^$\circ$C.Will nitrous acid spontaneously dissociate when
[HNO₂(aq)] = 1.0 M and [NO₂-(aq)] = [H₃O⁺(aq)] = 1.0 * 10^-5 M?
Show your calculations.

Question

The equilibrium constant for the reaction
HNO₂(aq)+ H₂O(l) →NO₂

\rightarrow

(aq)+ H₃O⁺(aq)
is 4.3 * 10^-4 at 25^$\circ$C.Will nitrous acid spontaneously dissociate when
[HNO₂(aq)] = 1.0 M and [NO₂-(aq)] = [H₃O⁺(aq)] = 1.0 * 10^-5 M?
Show your calculations.

Quizplus · Accepted Answer

The Answer is Yes

The Equilibrium Constant for the Reaction HNO2(aq)+ H2O(l) →NO2 →\rightarrow→ (Aq)+ H3O+(aq) Is 4

The Equilibrium Constant for the Reaction
HNO₂(aq)+ H₂O(l) →NO₂ $\rightarrow$ (Aq)+ H₃O⁺(aq)
Is 4