Respuesta :

Answer:

 59.4 tons of iron can be isolated from this ore

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 .

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