[Acetone] [Bromine] [HCI] 2. From the computer plot of the data for each trial (

Question

[Acetone] [Bromine] [HCI] 2. From the computer plot of the data for each trial (absorbance vs. time in seconds), determine the slope of the best straight line; use the following data table to summarize your results: Table 1. alos. Trial Acetone, mL Bromine, mL HCI, mL Hao, mL AAbs/At (slope of line) 1.0 1.0 1.0 2.0 1.0 to oa2u/oo 3. Convert stock concentrations to initial concentrations and fill in Table 2: Table 2 Disappearance Rate of Br2: Trial Acetone [Bromine] [HCl] -A[Br2J/At -slope/160) M Coul M .4M a m 4. By analysis of Table 2, consider the change in concentration and the change in the rate of the

Explanation / Answer

Trail-A:

disappearance rate of Br2 = -slope/160

= -(-0.000166)/160 = 1.03*10-6

Trail-B:

disappearance rate of Br2 = -slope/160

= -(-0.000395)/160 = 2.47*10-6

Trail-C:

disappearance rate of Br2 = -slope/160

= -(-0.000193)/160 = 1.21*10-6

Trail-D:

disappearance rate of Br2 = -slope/160

= -(-0.000394)/160 = 2.46 *10-6

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