Structure 1.4 Flashcards

1
Q

1 mole

A

A specific amount of substance

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2
Q

One mole of something has how many particles?

A

6.02x10^23 particles

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3
Q

Molar mass units

A

gmol^-1

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4
Q

Molar mass

A

Mass of one mole of substance, symbol M units gmol-1

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5
Q

Empirical formula

A

Simplest whole number ratio of atoms in each element

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6
Q

Molecular formula

A

Actual number of atoms in a molecule

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7
Q

Concentration units

A

mol dm-3

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8
Q

Volume units

A

dm^3

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9
Q

Avogadro’s law

A

An equal volume of all gases, when measured at the same temperature and pressure, contain an equal number of particles

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