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高中化学考试题库《þ》必考点
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þҺϺŨΪ02molL-1ʵ
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ȡ 0.02 mol ҺͶ 0.24 g þۣٵNaOH ?ʵ
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ijȻþҺܶΪ1.18 g.cm-3þӵΪ5.1%?ʵ
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(ս)ijȻơȻþȻɣ֪ơʵ
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ơþ0.3molֱ100mL1mol/LУͬͬѹ?ʵ
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þҺ500 mLܶ1.20 gcm3þӵ?ʵ
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ͬȻơȻþȻҺֱҺʵ
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ij¶£ȻþҺŨΪ40%ĴҺм46g塿
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ʣ ͭ ۶ þ ?ʺ
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ӷʽȷAȻþҺеNaOHҺMgCl2ӷʽ
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ʳкһþʣӵеʧҪӡӷ
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