Question

How to calculate how many moles of O are in 22.4 mol of Fe(NO3)3

Answer 1

Hey there:

1 mole of Fe(NO3)3 ------------------ 9 moles of O

22.4 moles Fe(NO3)3 -------------- ??

22.1 * 9 / 1 =>

198.9 moles of O

Hope that helps!