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CHEMISTRY HELP ASAP PLEASE!!!!!!!!!!!!!!!

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In the commercial production of the element arsenic, arsenic (II) oxide is heated with carbon which reduces the oxide to the metal according to the following equation: 2As2O3 + 3C ----„³ 3CO2 +4As
A>if 8.87 g of As2O3 is used in the reaction and 5.33 g of As is produced what is the percentage yield?
B>If 67 of carbon is used up in a different reaction and 425 g of As is produced, calculate the percentage yield of this reaction

  • CHEMISTRY HELP ASAP PLEASE!!!!!!!!!!!!!!! -

    Worked another place.

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