Question

For the compound fe3o4 calculate percentage of fe and o

Answer 1

I think this will hep you

atomic mass of fe=56(approx)

atomic mass of o=16

total atomic mass=56×3+14×3

=232

percentage of fe=56×100/232

=24.137=24(approx)

percentage of o=16×100/232

=4.953=5(approx)