Concept explainers
Interpretation:
The law on which the stoichiometry is based needs to be explained.
Concept introduction:
Stoichiometry is used in the calculation of reactants and products in

Answer to Problem 1STP
Stoichiometry is based on the principle of Law of conservation of mass.
Explanation of Solution
According to law of conservation of mass, the total mass of the reactants is equal to the total mass of the products. Thus, the mass is conserved. This means that the amount of the product can be calculated, if the amounts of the separate reactants are known.
Stoichiometry is based on the principle of Law of conservation of mass.
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