4. Gold is reacted with Bromine gas according to the reaction 2Au + 3Br2 - 2AuBr3. Use the data table below to determine the percent yield of Gold Bromide.
Mass of Gold
39.49
(14 points)
Mass of Bromine
17.39
Theoretical Yield
?
Actual Yield
35.2*
97.29%
O 77.62%
89.5%
86.42%
5. Type your FIRST and LAST name *

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.