Chemistry - The Mole Concept

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Leaving Certificate Chemistry

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8 Terms

1
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One Mole

… of a substance is the amount of that substance that contains 6 × 10²³ particles of that substance

2
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Mass of One Mole of an Element

relative atomic mass in grams

3
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Relative Molecular Mass

the average mass of one molecule of that compound compared with one twelfth of the mass of one atom of the carbon-12 isotope

4
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Mass of One Mole of a Compound

relative molecular mass in grams

5
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Mass (in grams)

relative molecular mass × number of moles

6
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No. of Moles of an Element

mass of element

relative atomic mass

7
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No. of Moles of a Compound

mass of compound

relative molecular mass

8
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No. of Moles of a Substance

mass of the substance

mass of one mole of the substance