What mass of oxygen reacts when 84.9 g of iron is consumed in the following reaction: fe+o2= fe2o3

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.

adding or remove a gaseous reactant or product changes the concentrations. if the concentration of reactant or product is increased, the system will shift away from the side in which concentration was increased (i.e. if the concentration of reactants is increased, the system will shift toward the products. if more products are added, the system will shift to form more reactants). conversely, if the concentration of reactant or product is decreased, the system will shift toward the side in which concentration was decreased (i.e. if reactants are removed, the system will shift to form more reactants. if the concentration of products is decreased, the equilibrium will shift toward the products).

explanation:

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