formula for copper ii sulfate for copper ii sulfate pentahydrate cupric sulfate formula equation for cuso4 h2o copper ii copper sulfate structure properties copper sulfate technical fact sheet copper ii sulfate sodium phosp balance fe cuso4 cu fe2 so4 3 formula for copper ii oxide formula for copper ii hydroxide zn cuso4 zinc copper ii sulfate copper ii sulfate cuso₄ trc formula for copper ii sulfate