David O Reilly

Thank you very much

Thank you very much, but how to evaporate

I want to make a reagent with cupric chloride. I watched a video showing placing copper in a jar, then adding hydrochloric acid and hydrogen peroxide. After stirring he ended up with a green solution, however my recipe says I need 30 grams of cupric chloride, so how do I get a solid (powder) rather than a liquid