11-09-2021
Chemistry

contestada

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

Respuesta :

123christianben 123christianben

24-09-2021

Answer:

A.lap cong thic hoa hoc cua A:va H

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