lolaloiuy7695
05.10.2021 •
Chemistry
calcocite is a mineral composed of 79.9 mass % copper and 20.1 mass % sulfur. determine the empirical formula for calcocite.
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Ответ:
Sln
n=m/mr
n=25/100
n=0.25mole of Caco3
Malality =number of moles/volume (divided by number of moles both sides)
volume =Malality /number of moles
v=0.125/0.25
v=0.500L
I hope this help