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3
黃 黃
Jul 7 •
高中化學分科測驗問題專區
歷屆&實驗
為何比色實驗中 Fe2+ +SCN-會是無色溶液？二價鐵離子不是淺綠色嗎？
實驗五 如果鐵三價被還原成二價鐵…不該是淺綠色嗎？
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歷屆&實驗
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