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3.) ( 3 mathrm{Fe}_{3} mathrm{O}_{4}(mathrm{aq})+8 mathrm{Al}(mathrm{aq}) ightarrow 9 mathrm{Fe}(mathrm{s})+4 mathrm{Al}_{2} mathrm{O}_{3}(mathrm{aq}) ) a.) How many grams of ( mathrm{Al}_{2} mathrm{O}_{3} ) are formed if 2 moles of ( mathrm{Al} ) and ( 0.1 ) moles of ( mathrm{Fe}_{3} mathrm{O}_{4} ) are used? (M.W. of Al is ( 26.98 mathrm{~g} / mathrm{mol}, mathrm{M} . mathrm{W} ). of ( mathrm{Al}_{2} mathrm{O}_{3} ) is ( 101.96 mathrm{~g} / mathrm{mol} ), and the M.W. of ( mathrm{Fe}_{3} mathrm{O}_{4} ) is ( 231.533 mathrm{~g} / mathrm{mol} ) ) b.) What is the percent yield if the actual yield of ( mathrm{Al}_{2} mathrm{O}_{3} ) is 2846 grams? What about if it was 1994 grams?

          3.) ( 3 mathrm{Fe}_{3} mathrm{O}_{4}(mathrm{aq})+8 mathrm{Al}(mathrm{aq}) 
ightarrow 9 mathrm{Fe}(mathrm{s})+4 mathrm{Al}_{2} mathrm{O}_{3}(mathrm{aq}) )
a.) How many grams of ( mathrm{Al}_{2} mathrm{O}_{3} ) are formed if 2 moles of ( mathrm{Al} ) and ( 0.1 ) moles of ( mathrm{Fe}_{3} mathrm{O}_{4} ) are used? (M.W. of Al is ( 26.98 mathrm{~g} / mathrm{mol}, mathrm{M} . mathrm{W} ). of ( mathrm{Al}_{2} mathrm{O}_{3} ) is ( 101.96 mathrm{~g} / mathrm{mol} ), and the M.W. of ( mathrm{Fe}_{3} mathrm{O}_{4} ) is ( 231.533 mathrm{~g} / mathrm{mol} ) )
b.) What is the percent yield if the actual yield of ( mathrm{Al}_{2} mathrm{O}_{3} ) is 2846 grams? What about if it was 1994 grams?

3.) ( 3 mathrmFe3 mathrmO4(mathrmaq)+8 mathrmAl(mathrmaq)
ightarrow 9 mathrmFe(mathrms)+4 mathrmAl2 mathrmO3(mathrmaq) )
a.) How many grams of ( mathrmAl2 mathrmO3 ) are formed if 2 moles of ( mathrmAl ) and ( 0.1 ) moles of ( mathrmFe3 mathrmO4 ) are used? (M.W. of Al is ( 26.98 mathrm g / mathrmmol, mathrmM . mathrmW ). of ( mathrmAl2 mathrmO3 ) is ( 101.96 mathrm g / mathrmmol ), and the M.W. of ( mathrmFe3 mathrmO4 ) is ( 231.533 mathrm g / mathrmmol ) )
b.) What is the percent yield if the actual yield of ( mathrmAl2 mathrmO3 ) is 2846 grams? What about if it was 1994 grams?

Added by Kk J.

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