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Chemistry, 11.09.2021 14:00 cassiuspricerules

Hợp chất X gồm 2 nguyên tố A và O. Trong đó A cs hóa trị IV. A chiếm 50% về khối lượng. A, Xác định công thức hóa học của X
B, công thức hóa học của x cho biết điều gì
C, lập công thức hóa học của A và H

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Hợp chất X gồm 2 nguyên tố A và O. Trong đó A cs hóa trị IV. A chiếm 50% về khối lượng. A, Xác địn...
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