salts of metals can be made by reacting one of the metals compounds with the appropriate acid. plan an experiment to prepare pure, dry crystals of copper sulfate, CuSO4, by reacting a suitible copper compound with a suitible acid.

Which of your 24 wells had indications that a chemical reaction occurred? how were you able to tell that a chemical reaction occurred? which of your 24 wells had indications that a physical reaction occurred? how were you able to tell that a physical reaction occurred? report on both mixing and evaporation. make a general statement about whether your hypotheses were validated or rejected. must your hypotheses be correct for this to be a successful laboratory?