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# i have no idea what a micromole is but i would guess
divide
(qdamik, Thu 26 Oct 2006, 19:18, archived)
# a mole is the number of carbon atoms in 1g of carbon
someone's constant that sounds like avocado

so a millionth of that

/vague memories of a-level chemistry blog
(GoldenFanjita whistle posse blow! horns crew i can't hear you!, Thu 26 Oct 2006, 19:21, archived)
# avogadro's
6.022 x10^23

also, i think it's the number of molecules in 12g of carbon....but don't quote me....
(I helped save b3ta! Jsysco is mostly a lurker, mostly, Thu 26 Oct 2006, 19:22, archived)
# Avogadro's Constant?
a mole is 6 x10^23 atoms/molecules of anything.

and it's defined as the number of atoms in 1g of pure Carbon-12

EDIT: how can i know that perfectly and yet not be able to work out i have to DIVIDE by 1000?? stupid brain...
(I helped save b3ta! Seventh is somewhat subdued, Thu 26 Oct 2006, 19:24, archived)
# Avogadro's NUMBER if I remember correctly.
(I helped save b3ta! Afinkawan Yes I can hear you Clem Fandango, Thu 26 Oct 2006, 19:51, archived)