A hydrate of cocl2 with a mass of 6.00g is heated strongly. After cooling, the mass of the anhydrate is 3.27 grams. Write the equation for the conversion of the CoCl2 hydrate to the anhydrate

When hydrogen peroxide (h2o2) is added to potassium iodide (ki) solution, the hydrogen peroxide decomposes into water (h2o) and oxygen (o2). the chemical equation for the decomposition reaction is: 2h2o2—> 2h2o + o2. what is the role of the potassium iodide in this reaction? a. reactant. b. product. c. precipitate. d. catalyst.