Calculate the number of moles for each of the following:
1. 56.75 g of [tex]$Al(NO_3)_3$[/tex]
2. 8.35 g of [tex]$Al_2(SO_4)_3$[/tex]
3. 3.8 g of [tex]$FeSO_4$[/tex]
Answer (1)
number of moles = mass /molar mass
