richard26 richard26
  • 08-07-2017
  • Chemistry
contestada

What number should be placed in the blank to balance the equation 4fe + __O2 = 2Fe2O3

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kittymeowmeow
kittymeowmeow kittymeowmeow
  • 08-07-2017
It should be a 3 because there are 6 oxygens and to balance the equation you need to balance the reactants side so you put a 3 so the products are the same as the reactants
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