what volume of oxygen at 423.0K and a pressure of 127.4kPa will be produced by the decomposition of 129.7g barium peroxide to form barium oxide and oxygen gas?

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  1. 2BaO2 ==> 2BaO + O2

    mols BaO2 = grams/molar mass = ?
    Using the coefficients in the balanced equation, convert mols BaO2 to mols O2.
    Then use PV = nRT and the conditions listed and solve for L O2.

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  2. What answer

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  3. .25984L

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