Ответ:
Объяснение:
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%
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Ответ:
Объяснение:
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%