3.30 moles of pyrophyllite, al2si4o10(oh)2how many moles of al are in this compound?

6.6 moles of aluminium

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.

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the atomic mass is the bottom number on the element.

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