Ответ:
Объяснение:
Mr(SiO2) = 28 + 16*2 = 60
W(Si) = Ar(Si) *n / Mr(SiO2) *100% = 28*1 / 60 *100% = 47%
W(O) = Ar(O) *n / Mr(SiO2) *100% = 16*2 / 60 *100% = 53%
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Ответ:
Объяснение:
Mr(SiO2) = 28 + 16*2 = 60
W(Si) = Ar(Si) *n / Mr(SiO2) *100% = 28*1 / 60 *100% = 47%
W(O) = Ar(O) *n / Mr(SiO2) *100% = 16*2 / 60 *100% = 53%