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Chemistry, 17.10.2021 02:00 Thania3902

Phân tử của một chất nguyên tử nguyên tố X liên kết với 4 nguyên tử hiđro và nặng bằng nguyên tử oxi a. Tính nguyên tử khối cho biết tên và kí hiệu của x ?
b. Tính phần trăm và khối lượng của X trong hợp chất ?

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Phân tử của một chất nguyên tử nguyên tố X liên kết với 4 nguyên tử hiđro và nặng bằng nguyên tử oxi...
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