The mole (RAM 1 d.p.)
Lesson 13 / 30
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I can describe what a mole is and its link with the Avogadro constant.
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Chemical amounts are measured in moles (mol).
One mole of particles of a substance is defined as the Avogadro constant number of particles.
The number of particles (atoms, ions, molecules etc.) in one mole of a substance is always the same.
Use of Avogadro's number to calculate the number of particles of substance when number of moles is known and vice versa.
The mass of one mole of a monatomic element is equal to the relative atomic mass of that element measured in grams.
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