Answer: 6.6 moles of aluminium
Step-by-step explanation:
According to avogadro's law, 1 mole of every substance weighs equal to its molecular mass and contains avogadro's number
of particles.
1 molecule of
contains = 2 atoms of aluminium
1 mole of
contains = 2 moles of aluminium
Thus 3.30 moles of
contain =
moles of aluminium
Thus there are 6.6 moles of aluminium in the given compound.