Law of Conservation of Mass: Introducing Stoichiometry

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6 Terms

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Law of Conservation of Mass

The Law states that when a chemical reactin occurs, the total mass of the reactants is always equal to the total mass of the products.

Total mass of reactants = Total mass of product

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balanced chemical equation

Has equal numbers of ech atom of each typ of atom on both sides of the equation.

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Stochiometry

Is the branch of chemistry that tells us the relationship between the amounts and products in a balanced chemical equation.

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molecular formula

The formula of a compound is a formula which shows the number and type of each atom present in a molecule of that compound.

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empirical formula

The formula of a compound is the formula showing the simplest wholenumber ratio of the numbers of different atoms present in the molecule.

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Molecular and empirical formula

Molecular formula = empirical formula x n