Question

studying the rate of the reaction of potassium permanganate and oxalis acid?

The volumes and concentrations of the stock solutions of C,H,O and KMnO, listed in Tables 1 & 2 can be used to calculate the initial concentration of each reactant in the reaction: 3: Initial Concentrations of Reactants Used in CH0+ KMnO Reaction (3 significant figures) ReT Room Temperature (Ta Table 3:I Reaction Vial Reaction Time (sec.) eaction 1 Average Reaction Time (1-3) action 25 Average Reaction Time (4-6) Average Reaction Time (7.9) tion Vial Reaction Concentration of CM.O. Reaction Concentration of KMnO Reaction Time (sec.) 0,011 시 @kalc moles 04t C- L+ Sol HO HO or less clow colar icss 2.o

Answer 1

In order to determine the speed of the reaction we are going to focus here on the permanent and simply equal the speed with the kind it takes to use up the permongonale Rate = Delta [KM_n O_4]/Delta t = { = - {[KMnO_4]_final - [KMnO_4]_initial}/(t_final - t_initial) since KMnO_4 gets used up [KMnO_4]_final = 0 and t_intial = 0 Rate = -(-[KMnO_4]_initial)/t_final = [kMnO_4]/t Reaction 1: if here is 1 second Rate = 0.011/1 = 0.011 M/s if here 2 seconds rate = 0.011/2 = 0.0055 M/S if here is 3 seconds Rate = 0.011/3 = 0.00367 M/S For reaction 2: (consider KMnO_4, initial) concentration Rate of reaction for 4 seconds = 0.00275 M/s for 5 seconds = 0.0022 M/S for 6 seconds = 0.00183 M/s For Reaction 3: for 7 seconds = 0.022/7 = 0.00314