How many moles of #S# are in 2 moles of #Al_2S_3#?

1 Answer
Mar 1, 2016

Answer:

In one mole of aluminum sulfide there are 3 moles of sulfur. Clearly, there are 6 moles of sulfur in 2 moles of the stuff.

Explanation:

The chemical formula specified the ratio of constituent atoms in the compound. We were given #Al_2S_3#; in one mole of this stuff there are 2 moles of aluminum, approx. #54# #g# of metal.

In 2 moles of #Al_2S_3#, what is the mass of aluminum?