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Chemistry, 24.08.2021 09:50 CDMJ8320

Trong tự nhiên Cu có 2 đồng vị là Cu63 và Cu65 Tính phần trăm về số lượng
Tính khối lượng của Cu63 cod trong 14,4g Cu2O
Tính phần trăm khối lượng của Cu63 có trong 14,4g Cu2O

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Trong tự nhiên Cu có 2 đồng vị là Cu63 và Cu65 Tính phần trăm về số lượng
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