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    Preparing oxygen in the lab

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    Oxygen can be preparead in a lab by the reaction:
    2KCLO3 = 2H2(g) + O2(g)
    Question: How many grams of KCLO3 must be reacted to produce 100 g of O2?

    © BrainMass Inc. brainmass.com February 24, 2021, 2:15 pm ad1c9bdddf
    https://brainmass.com/chemistry/stoichiometry/preparing-oxygen-in-the-lab-9726

    Solution Preview

    You cannot prepare O2 by the "reaction" given in the question.
    <br>
    <br>Actually the chemical reaction for the preparation of o2 in the laboratory is
    <br>
    <br>2KClO3 --> 2KCl + 3O2
    <br>
    <br>From this we ...

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