Дано
PxOy
w(P) = 65.36% = 0.5636
Решение
w(P) = xAr(P) / (xAr(P) + yAr(O)) = 31x / (31x + 16y) = 0.5636
31x / (31x + 16y) = 0.5636
31x = 0.5636(31x + 16y)
31x = 17.5x + 9y
13.5x = 9y
27x = 18y
3x = 2y
x : y = 2 : 3
P2O3
ответ: P2O3
Дано
PxOy
w(P) = 65.36% = 0.5636
Решение
w(P) = xAr(P) / (xAr(P) + yAr(O)) = 31x / (31x + 16y) = 0.5636
31x / (31x + 16y) = 0.5636
31x = 0.5636(31x + 16y)
31x = 17.5x + 9y
13.5x = 9y
27x = 18y
3x = 2y
x : y = 2 : 3
P2O3
ответ: P2O3