Chemistry, 25.02.2021 22:20 Jazzystith

PLEASE HELP ME IVE BEEN LOOKING FOR HOURWS I CANT FIND ANYTHING PLEASE HELP ME SO I CAN GET BACK TO MINECRAFT <33333 Read the following chemical equation.

Fe + O2 → Fe2O3

Which of the following fractions can be used for the mole ratio to determine the mass of Fe from a known mass of Fe2O3?

four over two
three over two
two over three
two over four

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