Aluminum carbide powder decomposes in water: Al4C3 (s) + 12 H2O (l) → 4 Al(OH)3 (aq) + 3 CH4 (g)

Which of the following pairs of quantities represent the correct stoichiometric amounts for this reaction?

Select one:
a. 1 mol Al4C3 and 1 mol H2O
b. 1 moles Al4C3 and 12 moles H2O
c. 4 mol Al4C3 and 24 mol H2O
d. 7.2 g Al4C3 and 1.8 g H2O

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