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Watch Later 7:27

化學教室-第5章-2-原子結構, 原子序及質量數

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化學教室-第24章-5-CO2, SO3, HCN, HCHO及SO2分子的形狀

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F4_CHEM_Ch12.4_Percentage by mass of an element in a compound

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F4_化學_Ch12-5_測定化合物的實驗式及分子式

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F4_化學_Ch12-4_質量百分比

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F4_化學_Ch12-3_實驗式、分子式和結構式

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F6_CHEM_Topic10 past paper 攻略

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F6 chem_Topic10 化學平衡_重點

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Chemistry tutorial-Ch12-5-Determination of empirical and molecular formulae

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