How many moles of o are in 15.0 mol fe(no3)3?

Answer : The number of moles of oxygen atoms are 135 moles.

Explanation : Given,

Moles of = 15.0 mole

The given chemical formula is,

By the mole concept:

In , there are 1 mole of iron (Fe) atom, 3 moles of nitrogen (N) atoms and 9 moles of oxygen (O) atoms.

As, 1 mole of contains 9 moles of oxygen atoms

So, 15.0 moles of contains moles of oxygen atoms.

Hence, the number of moles of oxygen atoms are 135 moles.

2b2t

explanation:

2b2t

i think it's c. if you look search electronic symbol on google and then click on wiki it shows you a