The action of some commercial drain cleaners is based on the following reaction:
2 NaOH (s) + 2 Al (s) + 6 H2O (l) → 2 NaAl(OH)4 (s) + 3 H 2 (g)
What is the volume of H2 gas formed at STP when 6.32 g of Al reacts with excess NaOH?
A) 8.59 L
B) 3.50 L
C) 5.25 L
D) 7.87 L
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