有关初三化学溶液的计算1:25℃时,20%的KNO3溶液,求溶质、溶剂、溶液的质量比? 2:要配置7%的KNO3营养液200kg,需水喝KNO3各多少克? 3: 2NaCL+2H2O通
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![有关初三化学溶液的计算1:25℃时,20%的KNO3溶液,求溶质、溶剂、溶液的质量比? 2:要配置7%的KNO3营养液200kg,需水喝KNO3各多少克? 3: 2NaCL+2H2O通](/uploads/image/z/7293593-65-3.jpg?t=%E6%9C%89%E5%85%B3%E5%88%9D%E4%B8%89%E5%8C%96%E5%AD%A6%E6%BA%B6%E6%B6%B2%E7%9A%84%E8%AE%A1%E7%AE%971%EF%BC%9A25%E2%84%83%E6%97%B6%2C20%25%E7%9A%84KNO3%E6%BA%B6%E6%B6%B2%2C%E6%B1%82%E6%BA%B6%E8%B4%A8%E3%80%81%E6%BA%B6%E5%89%82%E3%80%81%E6%BA%B6%E6%B6%B2%E7%9A%84%E8%B4%A8%E9%87%8F%E6%AF%94%3F+++++++++++++++++++++++++++++++++++++++++++++++2%EF%BC%9A%E8%A6%81%E9%85%8D%E7%BD%AE7%EF%BC%85%E7%9A%84KNO3%E8%90%A5%E5%85%BB%E6%B6%B2200kg%EF%BC%8C%E9%9C%80%E6%B0%B4%E5%96%9DKNO3%E5%90%84%E5%A4%9A%E5%B0%91%E5%85%8B%EF%BC%9F+++++++++++++3%3A+2NaCL%2B2H2O%E9%80%9A)
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