per ute sodium ny 2 H202(aq)2 H20(1) + 02(g) the following data have been obtained: [H202], M 2.06x10-3 27.2 1.24x10-2 6.82x10-3 3.75x10-3 time, min 9.07 18.1 The average rate of disappearance of H202 over the time period from t = 18.1 min to t = 27.2 min is M min 1

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1) Average rate from concentration

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For the decomposition of hydrogen peroxide in dilute sodium hydroxide at 20 °C
2 H202(aq)→2 H20(1) + 02(g)
the following data have been obtained:
[H202], M
1.24x10-2
6.82x10-3
3.75x10-3
2.06x10-3
time, min
9.07
18.1
27.2
The average rate of disappearance of H202 over the time period from t
18.1 min tot = 27.2 min is
M
min-1.
Transcribed Image Text:For the decomposition of hydrogen peroxide in dilute sodium hydroxide at 20 °C 2 H202(aq)→2 H20(1) + 02(g) the following data have been obtained: [H202], M 1.24x10-2 6.82x10-3 3.75x10-3 2.06x10-3 time, min 9.07 18.1 27.2 The average rate of disappearance of H202 over the time period from t 18.1 min tot = 27.2 min is M min-1.
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