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March 27, 2017

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how many grams of Fe2O3 are formed when 16.7g of Fe reacts completely with oxygen?

  • Chemistry? - ,

    Please type your subject in the School Subject box. Any other words, including obscure abbreviations, are likely to delay responses from a teacher who knows that subject well.

  • proviso - ,

    Write and balance the equation.
    4Fe + 3O2 ==> 2Fe2O3

    Convert 16.7 g Fe to moles. moles = grams/molar mass

    Using the coefficients in the balanced equation, convert moles Fe to moles Fe2O3.

    Finally, convert moles Fe2O3 to grams. g = moles x molar mass.

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