This slideshow shows a reversible reaction involving white anhydrous copper(II) sulfate and blue hydrated copper(II) sulfate. The equation for this is: Note that the removal of water from hydrated ...
For example, bismuth chloride reacts with water in a reversible reaction: BiCl 3 (aq) + H 2 O(l) ⇌ BiOCl(s) + 2HCl(aq) The concentration of hydrochloric acid can be increased by adding more ...