I need help step step on how tpo calculate (In). I have no idea how to get this number. The decomposition of hydrogen peroxide in dilute sodium hydroxide at 20 °C H2O2(aq) H2O(l) + ½ O2(g) is first order in H2O2 with a rate constant of .00110 min-1. If the initial concentration of H2O2 is .0302M, the concentration of H2O2 will be __________M after 1144.0 min have passed.

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I need help step step on how tpo calculate (In). I have no idea how to get this number.

The decomposition of hydrogen peroxide in dilute sodium hydroxide at 20 °C

H2O2(aq)  H2O(l) + ½ O2(g)

is first order in H2O2 with a rate constant of .00110 min-1.

If the initial concentration of H2O2 is  .0302M, the concentration of H2O2 will be __________M after 1144.0 min have passed.

Expert Solution
Step 1

Given, the decomposition of  hydrogen peroxide in dilute sodium hydroxide at 20 °C follows a first order kinetics.

We know that, rate constant for a first order reaction can be expressed as,

                           Chemistry homework question answer, step 1, image 1

where, k is the rate constant

             t is time

             [A]o is the initial concentration = 5 ppm

             [A]t is the concentration at time t.

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