Note: This is a reaction between copper II sulfate and aluminum. The copper is called “copper II” because copper can make different types of ions. It can lose one electron and be just Cu + or it can ...

The leftover copper(II) oxide solid can be filtered from the solution, leaving the copper(II) sulfate and water behind. The water can be removed by evaporation, leaving behind pure copper(II) sulfate.

Copper sulfate has been used in agriculture since the 1800s, at least. In the U.S. it is widely used as a fungicide on organic and conventional crops, and it is also found in some fertilizer products.

Full Question: I have removed six Silver Maple trees (12" - 16" diameter) from my yard because of root intrusion and roots surfacing. Can I treat the stumps by drilling and applying copper sulfate and ...

Copper sulfate is a commonly used pesticide that is allowed in most jurisdictions, but in this case the chemical was applied directly to the olives leading to an unsafe concentration, ...