In the reaction $8 \ Al + 3 \ Fe_3O_4 \to 4 \ Al_2O_3 + 9 \ Fe$,the number of moles of electrons transferred by $1 \ mol$ of reductant is:

  • A
    $24$
  • B
    $8$
  • C
    $3$
  • D
    $12$

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