+ 4 - SiO2
w(Si) = 1*28/60*100% = 46,6%
+2 - SiO
w(Si) = 1*28/44*100% = 63,6%
Ответ во вложении.........................
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+ 4 - SiO2
w(Si) = 1*28/60*100% = 46,6%
+2 - SiO
w(Si) = 1*28/44*100% = 63,6%
Ответ во вложении.........................