Вычислите массовые доли элементов в составе соединения Al2(SO4)3 *
15,8%, 28,4%, 56,6%
15,9%, 28,2%, 56,8%
15,8%, 28,1%, 56,1%
15,7%, 28,1%, 56,1%
15,9%, 27,1%, 56,1%
15,8%, 28,4%, 56,6%
15,9%, 28,2%, 56,8%
15,8%, 28,1%, 56,1%
15,7%, 28,1%, 56,1%
15,9%, 27,1%, 56,1%
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Ответ:
3)
Объяснение:
W(Al) = 54/342 × 100% = 15,8%
W(S) = 96/342 × 100% = 28,1%
W(O) = 192/342 × 100%= 56,1%