Chemistry

How do you figure out how mch oxygen gas escaped when Potassium Chlorate is decomposed in a reation? Also what mass of Potassium Chlorate was decomposed in the experiment? I conducted the experiement but don't know how to do this.

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asked by Becca
  1. Here is an example that is worked for you. Just follow the steps.
    http://www.jiskha.com/science/chemistry/stoichiometry.html

    posted by DrBob222

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