Ответ:
n(Al):n(O)= 53/27:47/16= 1,96:2,9375= 1:1,5= 2:3
Al2O3
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Ответ:
n(Al):n(O)= 53/27:47/16= 1,96:2,9375= 1:1,5= 2:3
Al2O3