Chemistry, 01.07.2021 19:10 jaydenrenee111902

Một hợp chất có công thức hóa học là XaO2.Trong phân tử có 3 nguyên tử.PTK nhẹ hơn 3 phân tử CH4 là 4 đvC a/Tính a, PTK của XaO2 b/ Tính nguyên tử khối của X, X là nguyên tố nào?

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Một hợp chất có công thức hóa học là XaO2.Trong phân tử có 3 nguyên tử.PTK nhẹ hơn 3 phân tử CH4 là...

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