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Math Help - Stoichiometry question

  1. #1
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    Stoichiometry question

    A certain mass of zinc nitrate was heated completely in a fume cupboard . The nitrogen dioxide liberated was allowed to completely dissolve in 150cm^3 of distilled water to produce a solution of nitric(3) acid and nitric(5) acid of equal concentration , 0.133moldm^{-3}
    Calculate the mass of zinc nitrate used .

    Thanks .
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  2. #2
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    Quote Originally Posted by thereddevils View Post
    A certain mass of zinc nitrate was heated completely in a fume cupboard . The nitrogen dioxide liberated was allowed to completely dissolve in 150cm^3 of distilled water to produce a solution of nitric(3) acid and nitric(5) acid of equal concentration , 0.133moldm^{-3}
    Calculate the mass of zinc nitrate used .

    Thanks .
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