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5 moles of Al2O3 are reacted with 10 moles H2SO4, how many moles of Al2(SO4)3 will produce?

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5 moles of Al2O3 are reacted with 10 moles H2SO4, how many moles of Al2(SO4)3 will produce?

(a) 3.33

(b) 10

(c) 30

(d) 33.3

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The query is from Stoichiometry Applications Terminology in chapter The Chemical Reaction Equation & Stoichometry, Material Balances for Processes Involving Reaction and Multiple Units of Basic Chemical Engineering

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Correct option is (a) 3.33

Explanation: The balanced chemical reaction is Al2O3 + 3H2SO4 -> Al2(SO4)3 + 3H2O, =>  moles of Al2(SO4)3 = 10/3 = 3.33.

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