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How many grams of magnesium oxide can be produced when 97.2g Mg react with 88.5g O2?
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How many grams of magnesium oxide can be produced when 97.2g Mg react with 88.5g O2?

User Nathan Binkert
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1 Answer

3 votes
we gots to write the equation
2Mg + O2 -------> 2MgO

moles of Mg = 97.2 / (24.3 x 2)
= 2

therefore there are 2 moles of MgO
Mr of MgO = 40.3

mass MgO = 40.3 x 2 = 80.6
User Rhodope
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