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1.2.2 molar mass - Coggle Diagram
1.2.2 molar mass
Mole
definition
the amount of any substance, which contains the same number of particles :warning:(atoms, ions, molecules, formulae or electrons) as there are carbon atoms in exactly 12 g of the carbon -12 isotope.
:star: the Avogadro constant 
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Molar mass
the mass per mole of a substance,[g/mol]
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Significant figures
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Zeros:
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If it is at the right of a non-zero number, only counts when there is a decimal place.
If it is measured by top ban balance, such as 560g, the zero counts. So it has 3 significant figures.
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