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How many moles of aluminum are needed to make 9 moles of molecular hydrogen?
Given the reaction: 2 Al + 6 HCl Rightwards Arrow 2 AlCl3 + 3H2
A) 2 moles
B) 3 moles
C) 4 moles
D) 6 moles
E) none of the above

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Introductory Chemistry Essentials

Introductory Chemistry Essentials


Edition: 5th
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