УМОЛЯЮ СРОЧНО ИЛИ МНЕ СМЕРТЬ,ПРОШУ БЕЗ СПАМА!!!!!!!!!!! Дано:
W1(24Mg)=78,6%
W2(25Mg)=10,11%
W3(xMg)=(100%-78,6%-10,11%)=11,29%
Ar(Mg)=24,305
Знайти:
Ar(хMg)-?
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