醛、酮溶不溶于水？醛、酮溶不溶于乙醇、醚等？密度比水大还是小？ 甲醛到底溶不溶于水？
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6.\u5982\u4eca\u5e02\u573a\u4e0a\u7684\u9664\u7532\u919b\u516c\u53f8\u6709\u5f88\u591a\uff0c\u6211\u4eec\u5f88\u96be\u8fa8\u522b\u9664\u7532\u919b\u7684\u516c\u53f8\u662f\u5426\u6b63\u89c4\uff0c\u800c\u4e14\u5e02\u573a\u4e0a\u4e5f\u6ca1\u6709\u4e00\u4e2a\u7edd\u5bf9\u7684\u9664\u7532\u919b\u9886\u57df\u7684\u5927\u516c\u53f8\uff0c\u6240\u4ee5\u7528\u8fd9\u79cd\u65b9\u6cd5\u9664\u7532\u919b\u8ba9\u5f88\u591a\u4eba\u5728\u9009\u62e9\u7684\u65f6\u5019\u72af\u4e86\u96be\uff0c\u9488\u5bf9\u627e\u9664\u7532\u919b\u516c\u53f8\u8fd9\u4e2a\u65b9\u6cd5\u4e0a\uff0c\u6211\u5efa\u8bae\u5927\u5bb6\u64e6\u4eae\u773c\u775b\uff0c\u5c0f\u5fc3\u88ab\u9a97▪
醛密度小于水，
酮也可能小于吧……
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