what-is-the-equilibrium-expression-for-a-weak-acid-ha-in-water

Question

What is the equilibrium expression for a weak acid HA in water?

Accepted Answer

[$$A^{-}$$][$$H_{3}$O^{+}$$]/[HA]

Answer

[HA][$$H_{2}O$$]/[$$A^{-}$$]

Answer

[HA][$$A^{-}$$]/[$$H_{3}$O^{+}$$]

Answer

[$$A^{-}$$][$$H_{2}O$$]/[$$H_{3}$O^{+}$$]