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       #Post#: 1434--------------------------------------------------
       caculate mass of H2O2
   DIR By: chemistry
       Date: December 7, 2012, 7:41 am
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       A sample of hydrogen peroxide is decomposed by a catalyst and
       the resulting oxygen gas is collected in an Erlenmeyer flask
       using a water trap like the one described in Part B. The flask
       completely full of water has a mass of 352.2 grams. After gas
       collection, the flask and the remaining water have a mass of
       302.1 grams. What is the mass (in grams) of the hydrogen
       peroxide sample if the temperature was 17.2 ºC?
       #Post#: 1480--------------------------------------------------
       Re: caculate mass of H2O2
   DIR By: hkar19
       Date: December 8, 2012, 8:30 pm
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       the temperature have no meaning here.
       but what is part B?
       H2O2→ H2O + O2
       how much Water product, explain how much peroxide used. if all
       of peroxide were reacted.
       so then the question: how much water produced?
       *i will no solve this for you, just a hint. :P
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