given the symbol equation to show the formation of iron sulphide:
Fe+S=FeS
calculate the mass in g of iron sulphide formed when 28g of iron combines with 16g of sulphur

Question

given the symbol equation to show the formation of iron sulphide:
Fe+S=FeS
calculate the mass in g of iron sulphide formed when 28g of iron combines with 16g of sulphur

anonymous · Answer

28/56 = 16/32= 0.5 moles used
use that in the equation No.Moles= mass/mr value

anonymous · Answer

Fe+S=FeS
atomic mass of iron = 56g
atomic mass of sulphur =32
atomic mass of FeS = 56+32=88g

since both quantities are equimolar that is both iron and sulphur are in equal quantity so we can use any to calculate the mass of iron 
 so we can say

if 56 g of iron produces 88g of FeS 
then 28 g will produce =  28 *88/ 56
                                 =2464 /56
                                 = 44g     of FeS   bingo :)

anonymous · Answer

thats right @warz

anonymous · Answer

you are right too just gav a precise ans :D

anonymous · Answer

yeah....i was lazy :D

anonymous · Answer

hahahaha  i am more lazy i should be preparing for my exam tomorrow  just didn't feel like it so ended up here

anonymous · Answer

haha same here...hi5, i am having an exam..lol but i am already prepared :D

anonymous · Answer

have*

anonymous · Answer

:D which subject?
i havent studied a chap even but like always i have no tension :)

anonymous · Answer

thazzzzzzzzzzzzzzzz