Stoichiometry of Chemical Formulas and Reactions

Stoichiometry of Chemical Formulas and Reactions

The law of definite proportions states that the element ratios for a given compound remain constant. The subscripts in a chemical formula may therefore be used to define molar ratios between the elements in the formula or between an element and the compound. For example, the chemical formula for water is H2O. Therefore, we can write

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