How many sulfur atoms are there in 21.0 g of al2s3?

Given the mass of aluminum sulfide = 21.0 g

Molar mass of =

Calculating the moles of :

Each mole has 3 mol S.

Each mole S constitutes

Calculating atoms of S in 0.14 mol :

=

shield volcanos are angry and get mad over the smallest things so much that there heads erupt   pahoehoe and a'a lava. a composite volcano is the poller opposite of a shield volcano. its   peaceful thing and knows how to control its emotions.      

i think it's c. if you look search electronic symbol on google and then click on wiki it shows you a