2 Fe (s) + 3 S (s) -----------> Fe2S3 (s)
from the equation :
2 mol iron -------------> 3 mol Sulfur
?? -------------> 3.50 mol of sulfur.
moles of Iron needed = 3.50 x 2 / 3 = 2.33
moles of iron needed = 2.33 mol
Choose... n the chemical reaction of iron and sulfur, how many moles of iron are needed...
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