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From the following data show that the d...

From the following data show that the decomposition of hydrogen peroxide in aqueous solution is a first order reaction what is the value of the rate constant
Time (t) in minutes 0 10 20 30 40

V(mL) 25.0 20.0 15.7 12.5 9.6
Where V is volume of `kMnO_(4)` solution required decompose a definite volume of hydrogen peroixde

Text Solution

Verified by Experts

Here, a = 25 mL

The constancy of k shows that decomposition of `H_(2)O_(2)` is a first order reaction. Average value of rate constant `= 0.003819 s^(-1)`.
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