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回答：zaqwsxcde   2008-11-30 19:33:35

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回答：１s-7un   2008-11-29 22:17:55

Cuso4+NaoH=Cu(oH)2+NaSo4                     Cu(OH)2=CUO +H2O                              CUO+NaOH=Cu4〔OH〕6SO4 |举报