Дано
CrxOy
w(O) = 48% = 0.48
Решение
w(O) = yAr(O) / (xAr(Cr) + yAr(O)) = 16y / (52x + 16y) = 0.48
16y / (52x + 16y) = 0.48
16y = 0.48(52x + 16y)
16y = 24.96x + 7.68y
8.32y = 24.96x
1y = 3x
x : y = 1 : 3
CrO3
Ответ: CrO3
CaO, CO2, CO,SO2,SO3,NO,NO2,N2O,N2O3,N2O5,P2O3,P2O5,CLO2,CLO3,Cl2O7, Cl2O5,