Ответ:
5.4 г 10.2 г
4X+3O2=2X2O3
4x 4x+96
(x - M(X))
5.4/4x=10.2/4x+96
40.8x = 21.6x + 518.4
19.2x = 518.4
x ≈ 27
X - Al.
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Ответ:
5.4 г 10.2 г
4X+3O2=2X2O3
4x 4x+96
(x - M(X))
5.4/4x=10.2/4x+96
40.8x = 21.6x + 518.4
19.2x = 518.4
x ≈ 27
X - Al.