Объяснение:
Mr(Ca(OH)2) = 40 + 16*2 + 1*2 =74
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%
Объяснение:
Mr(Ca(OH)2) = 40 + 16*2 + 1*2 =74
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%