Concept explainers
Interpretation: The reason why mole ratios are central to stoichiometric calculations needs to be explained.
Concept introduction: The ratio of the mass of a substance to its molar mass is said to be the number of moles of that substance.
The ratio of the amount of any two compounds involved in a

Explanation of Solution
The law of conservation of mass explained that the quantity of each element involved in the reaction should remain constant over the course of a chemical reaction, so that the quantity of each element involved in the reaction is balanced in each side of a chemical equation. In order to balance the reactions,
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