用电子守恒法配平Cu2S+HNO3 → Cu(NO3)2+CuSO4+N2O3+H20如何配平啊.我配得都快崩溃了~
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![用电子守恒法配平Cu2S+HNO3 → Cu(NO3)2+CuSO4+N2O3+H20如何配平啊.我配得都快崩溃了~](/uploads/image/z/4340940-60-0.jpg?t=%E7%94%A8%E7%94%B5%E5%AD%90%E5%AE%88%E6%81%92%E6%B3%95%E9%85%8D%E5%B9%B3Cu2S%2BHNO3+%E2%86%92+Cu%EF%BC%88NO3%EF%BC%892%2BCuSO4%2BN2O3%2BH20%E5%A6%82%E4%BD%95%E9%85%8D%E5%B9%B3%E5%95%8A.%E6%88%91%E9%85%8D%E5%BE%97%E9%83%BD%E5%BF%AB%E5%B4%A9%E6%BA%83%E4%BA%86%7E)
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