Concept explainers
Interpretation:
The mass of carbon dioxide produced when
Concept introduction:
In a balanced chemical equation, the total mass of reactants and products are equal in a balanced chemical equation, thus, it obeyed the law of conservation of mass. Also, the amounts of substances in a balanced
A limiting reagent is the one that is completely consumed in a chemical reaction. The amount of product formed in any chemical reaction has to be in accordance with the limiting reagent of the reaction.
Amount(mol) of excess reactant is reactant left after the formation of maximum amount(mol) of products.
The formula to calculate moles is as follows:
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Answer to Problem 3.20BFP
The mass of carbon dioxide produced is
Explanation of Solution
The balanced equation for the combustion of butane is as follows:
Substitute
Substitute
According to the balanced chemical equation, the stoichiometric ratio between
According to the balanced chemical equation, the stoichiometric ratio between
The formula to calculate the mass is as follows:
Substitute
The remaining mass of the excess reagent can be calculated from the amount of
Substitute
The excess mass of
Substitute
The limiting reagent controls the amount of the other reactants and the product.
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Chapter 3 Solutions
MCGRAW: CHEMISTRY THE MOLECULAR NATURE
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