0.60 gg of sodium hydroxide (NaOHNaOH) pellets are dissolved in water to make 7.5 LL of solution. What is the pHpH of this solution

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.