A half-life of a H2O2 solution at a certain condition is 4 weeks.

You have a 100 mL of 1.00M H2O2 solution.
How many moles of H2O2 will be left in the solution after the following weeks?

04 weeks after: moles

08 weeks after: moles

16 weeks after: moles

20 weeks after: moles

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