Ответ:
Объяснение:
Mr(GeSO4 * 9H₂O) = Ar(Ge) + Ar(S) + Ar(O) * 4 + 9(Ar(H) * 2 + Ar(O) =
= 77 + 32 + 16 * 4 + 9 * (1 * 2 + 16) = 173 + 162 = 335 г/моль
w(S) = Ar(S)/Mr(GeSO4 * 9H₂O) * 100% = 32/335 * 100% = 9,55%
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Ответ:
Объяснение:
Mr(GeSO4 * 9H₂O) = Ar(Ge) + Ar(S) + Ar(O) * 4 + 9(Ar(H) * 2 + Ar(O) =
= 77 + 32 + 16 * 4 + 9 * (1 * 2 + 16) = 173 + 162 = 335 г/моль
w(S) = Ar(S)/Mr(GeSO4 * 9H₂O) * 100% = 32/335 * 100% = 9,55%