Answered

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4 Fe + 3 02- 2 Fe203
o How many grams Fe2O, will be produced if
you start with 170 g Fe?

Sagot :

Answer:

243.05 gm of Fe2O3

Explanation:

From periodic table   mole wt of Fe = 55.845 gm

  170 g / 55.845 gm/mole = 3.044 moles  Fe

From equation

 4 Fe ====> 2 Fe2 O3

      so 1/2 as many moles  as Fe    3.044 / 2 = 1.522 moles of Fe2O3

             mole wt of Fe2 O3   from periodic table = 159.687 gm/mole

                       1.522 moles * 159.687 gm/mole = 243.05 gm

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