Question

A certain ore contains 34% hematite, Fe2O3. Hematite is 69.9% iron. How much iron can be isolated from 250 tons of this ore

Answer 1

59.4 tons of iron can be isolated from this ore

Step-by-step explanation:

mass of ore = 250 tons

mass of hematite = 34 % of 250

= 85 tons

mass of iron = 69.9 % of hematite

= 69.9 % of 85

= 59.4 tons

So, 59.4 tons of iron can be isolated from this ore .