Ответ:
Объяснение:
Mr(ZnSO4) = 65 + 32 + 16 * 4 = 161 г/моль
w(Zn) = n * Ar(Zn)/ Ar(ZnSO4) = 65/161 = 0,404
w(S)= n * Ar(S)/ Ar(ZnSO4) = 32/ 161 = 0,199
w(O)= n * Ar(O)/ Ar(ZnSO4) = 4 * 16/161 = 0,397
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Ответ:
Объяснение:
Mr(ZnSO4) = 65 + 32 + 16 * 4 = 161 г/моль
w(Zn) = n * Ar(Zn)/ Ar(ZnSO4) = 65/161 = 0,404
w(S)= n * Ar(S)/ Ar(ZnSO4) = 32/ 161 = 0,199
w(O)= n * Ar(O)/ Ar(ZnSO4) = 4 * 16/161 = 0,397