hat472109 hat472109
  • 06-10-2022
  • Chemistry
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Một hợp chất gồm 1 nguyên tử X liên kết với 1 nguyên tử Niuto và 3 nguyên tử Oxi . Hợp chất có phân tử khối nhiều hơn nguyên tử Brom 21 (đvC). Tìm x

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