Question

How do you write the formula for a compound made from Fe 3+ and OH -1 ions?

a: FeOH
b: Fe3OH
c: FeOH3
d: Fe (OH)3

Answer 1

I Think the answer is b cuz I had this and I chose c and it was wrong so I thing it’s b

Answer 2

The answer is C

You need one Fe and three OH