Номер 5 срочнооо!!!...

Question

Номер 5 срочнооо!!!...

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Answer 1

Mr(Al2(SO4)3) = 27*2 + 32*3 + 16*12 = 342
W(Al) = Ar(Al) * n / Mr(Al2(SO4)3)  *100% = 27*2 / 342  *100% = 16%