Why need to acidify concentrated HCl to the reaction mixture before crystallization?

According to Geoff Smith of Hampshire, England : " Hydrochloric acid is a gas - hydrogen chloride - dissolved in water. It does not crystalise, at all, ever. "What is the application you are working on?

Need more information.

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.