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Cuando reaccionan 2 moles de aluminio con 9 moles de ácido clorhídrico), es correcto afirmar que se produce: *
A.3 moles de AlCl3 y 4,5 moles de H2
B. un exceso de aluminio, 3 moles de AlCl3 y 2moles de H2.
C. 2 moles de AlCl3 y 3 moles de hidrógeno (H2)
D. un exceso de ácido clorhídrico (HCl), una mol de AlCl3 y una mol deH2
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