Complex sentence: H 2 O may be prepared by careful precipitation from a solution of ZnCl 2 acidified with HCl and it contains a polymeric anion (Zn 2 Cl 5 −) n with balancing monohydrated hydronium ions, H 5 O 2 + ions.
Split into simpler sentences: H 2 O may be prepared by careful precipitation from a solution of ZnCl 2 acidified with HCl. It contains a polymeric anion (Zn 2 Cl 5 −) n with balancing monohydrated hydronium ions, H 5 O 2 + ions.