Question

How many moles of iron (lll) nitrate are in 200 grams of iron (Ill) nitrate?

Answer 1

`"Number of moles"` `=` `"Mass"/"Molar mass"`

Explanation:

`n = (200*g)/(241.86*g*mol^-1)` `~=` `0.80*mol` `Fe(NO_3)_3`.

How many moles of `O`, and `N` does the given mass represent?