Lập CTHH của hợp chất gồm hai nguyên tố Kẽm (Zn) và (0)

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Giải thích các bước giải:

Công thức hóa học của hợp chất gồm hai nguyên tố Kẽm (Zn) và (O) là ZnO do Zn và O đều có hóa trị II.

Giải chi tiết Gọi công thức dạng chung là: Zn(x)O(y) Theo công thức hóa trị ta có: x.2=y.2  Rút tỉ lệ: x/y = 2/2 = 1 => x = 1 , y= 1 Vậy CTHH của hợp chất là: ZnO
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