What is the symbol for the $SI$ unit of mole? How is the mole defined?
(N/A) The symbol for the $SI$ unit of mole is $mol$.
One mole is defined as the amount of a substance that contains as many elementary entities as there are atoms in exactly $12 \ g$ $(0.012 \ kg)$ of the $^{12}C$ isotope.
$12 \ g$ of $^{12}C$ isotope $= 1 \ mole$.
One mole is defined as the amount of a substance that contains as many elementary entities as there are atoms in exactly $12 \ g$ $(0.012 \ kg)$ of the $^{12}C$ isotope.
$12 \ g$ of $^{12}C$ isotope $= 1 \ mole$.
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