Question

what is cation in HCL solution​

Answer 1

Answer:

1st analytical group of cations consists of ions that form insoluble chlorides. So we use HCl to precipitate the insoluble chloride. As such, the group reagent to separate them is hydrochloric acid, usually used at a concentration of 1–2 M. ... Consequently, the Pb2+ ion would go undetected.