Beaker 1

Beaker 2

Beaker 3

Beaker 4

t (s)

211

167

100

66

(10−5 mol/L)

25.580

17.830

10.500

7.910

Rate (10−6 mol∙L−1∙s−1)

1.2144

1.0679

1.050

1.194

Average rate

(113.14 ± 8.28) × 10−8 mol∙L−1∙s−1