'Mass percentage composition' diaporamas de présentation

The Mole SI base unit for amount of substance

The Mole SI base unit for amount of substance. Use mole and molar mass to make conversions among moles, mass, and number of representative particles. Relating mass to number of atoms. Mole Amount of substance containing as many particles as atoms in exactly 12g of carbon-12

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Working with units

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Quantities in Chemical Reactions

Quantities in Chemical Reactions. (4.1/4.5) Proportions in Compounds and Percentage Composition. Law of Definite Proportions. a specific compound always contains the same elements in definite proportions by mass, regardless of how it is synthesized

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