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Limiting reactant

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Limiting reagent

A limiting reactant is the reactant that is limited, while the other reactant is in excess.

Therefore in an example such as:

100.0 g of methanol(CH3OH(liquid)) burns in 500.0 g of oxygen to produce carbon dioxide gas and water vapor.

First Write a balanced equation:

2CH3OH + 3O(2)-------2co2 + 4H2O