What is the mass percent of #Fe# in iron(II) ammonium sulfate hexahydrate, #Fe(NH_4)_2(SO_4)_2 * 6H_2O#?

1 Answer
May 6, 2018

Answer:

#%_"Fe"~=15%#

Explanation:

We simply take the quotient...

#%_"Fe"="Mass of iron"/"Mass of hydrated salt"xx100%#

#=(55.8*g)/(392.13*g*mol^-1)-=??%#

Are you sure I have got the formula mass right?