Below Is a Representation of Pure Liquid HX,an Amphoteric Substance,at

Below is a representation of pure liquid HX,an amphoteric substance,at equilibrium.(Each circle represents 1.0 ×10^-3 mol of atoms,and the volume of the box is 1.0 L.) What is the autoionization constant for HX?

A) 4.9 ×10^-2
B) 4.0 ×10^-3
C) 4.4 ×10^-4
D) 4.0 ×10^-6
E) 2.5 ×10⁵