With steps pls What is the pH when 50 ml NaOH is added to 50 ml the
solution mixture of 0.1 M HA and 0.1 M HCI (Ka = 10-6)

a. 3.65
b. 2.65
с. 7.65
d. 4
e. 7​

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.