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Significant Figures and the Mole
Master rules for significant figures: leading and trailing zeroes; use of scientific notation a x10 to a positive or negative power
The mole: Avogadros number of a specified entity (atom, molecule, electron etc.)
Molar masses: just add up the amus and put g (grams) at the end.
Practice interconversions between masses and numbers of moles
Significant Figures and the Mole
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