Question

What mass of oxygen reacts when 84.9 g of iron is consumed in the following reaction: Fe + O2 ---------> Fe2O3

Answer 1

What mass of oxygen reacts when 84.9 g of iron is consumed in the following reaction: Fe + O2 --------->

answer:

Answer:

36.385 grams of oxygen reacts when 84.9 grams of iron.

Explanation:

Moles of iron =

According to reaction, 4 moles of iron reacts with 3 moles of oxygen gas.

Then 1.5160 moles of iron will react with:

of oxygen gas

Mass of 1.1370 moles of oxygen gas:

36.385 grams of oxygen reacts when 84.9 grams of iron