Question

How many mole of zn (fes2) can be made from 2 mole zinc,3 mole iron and 5 mole sulphur

Answer 1

Answer:

2 moles

Explanation:

1 mole of Zn(FeS2) contains :

1 mole zinc,

1 mole iron,

2 moles sulphur.

thus, 2 moles can be made using :

2 moles zinc,

2 moles iron,

4 moles sulphur.

NOTE: after preparation, 1 mole iron and 1 mole sulphur will be left unreacted.here, zinc acts as the limiting reagent.