practical 2

6
Time/min 15 -2.59 30.08 -2.75 45.17 -2.91 60.25 -3.06 75 -3.19 ln([HCl]-[HCl]t) 10 20 -3.5 -3 -2.5 -2 -1.5 -1 -0.5 0 f(x) = − 0.0100 Figure 1: Plot ln([HCl]∞-[HCl]t)

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pratice

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Sheet1Time/minln([HCl]-[HCl]t)15-2.5930.08-2.7545.17-2.9160.25-3.0675-3.19

Sheet2Time/minln([HCl]-[HCl]t)4.03-2.598.02-2.7412.17-2.9116-3.1120-3.3