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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

User Henryabra
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2 Answers

4 votes
The answer is C

You need one Fe and three OH
User Oliver Kane
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3 votes
I Think the answer is b cuz I had this and I chose c and it was wrong so I thing it’s b
User Littlepea
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