The formula for cobalt II oxide is CoO. It contains one cobalt ion with a +2 charge and one oxide ion with a -2 charge, resulting in a neutral compound.

When cobalt II sulfate reacts with sodium hydroxide, cobalt II hydroxide is formed as a blue precipitate. The chemical equation for this reaction is: CoSO4 + 2NaOH -> Co(OH)2 + Na2SO4.

cobalt is a chemical element with the symbol Co and atomic number 27. It is a transition metal and has various uses, such as in the production of rechargeable batteries and as a catalyst in chemical reactions.

The formula for cobalt permanganate is Co(MnO4)2. It is a chemical compound made up of one cobalt ion (Co2+) and two permanganate ions (MnO4-).

In 2015.