12 Days of Chemical Calculations – 6

Mole calculations

The reaction below is known as the Thermite reaction, which is used to form molten iron to mould iron train tracks together. What mass of aluminium powder is needed to react with 8.0 g of iron (III) oxide?

2 Al + Fe2O3 –> Al2O3 + 2 Fe

A thermite reaction taking place on a cast iro...

A thermite reaction taking place on a cast iron skillet (Photo credit: Wikipedia)