Ответы 1
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1) n= 6.72/22.4=0,3 моль.2) m= 34x0.3= 10.2 грамма.3) ню это и есть n (Кол-во в-ва)
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Автор:
alianai5uj - 5 лет назад
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Помогите, кто шарит, я вообще не могу ;c
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4580 м =? См
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1000000м квадрат.=? Км квадрат.
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