mole voc ch 10

The SI base unit used to measure the amount of a substance. The number of carbon atoms in exactly 12 g of pure carbon. One mole is the amount of a pure substance that contains 6.02 x 10²³ representative particles.

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The mass in grams of one mole of any pure substance

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The number 6.0221367 x 10²³, which is the number of representative particles in a mole and can be rounded to three significant digits 6.02 x 10²³.

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In a balanced equation, the ratio between the numbers of moles of any two substances.

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The study of quantitative relationships between the amounts of reactants used and products formed by a chemical reaction; is based on the law of conservation of mass.

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In a chemical equation, the number written in front of a reactant or product; in a balanced equation describes the lowest whole-number ratio of the amounts of all reactants and products

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A compound that has a specific number of water molecules bound to its atoms.

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A formula that shows the smallest whole-number mole ratio of the elements of a compound, and may or may not be the same as the actual molecular formula.

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A formula that specifies the actual number of atoms of each element in one molecule or formula unit of the substance.

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