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我们在教学过程中查阅硫化铜的溶度积时发现有多种不同的数据,相差好几个数量级,而且同一种书的上、下册数据也不相同。例如:尹敬执、申泮文合编《基础无机化学》上册的264页K_(SP·CuS)=8.5×10~(-45),下册661页K_(SP·CuS)=8.0×10~(-36);武汉大学等校编《无机化学》第二版上册440页K_(SP·CuS)=8.5×10~(-45),下册58页K_(SP·CuS)=6.0×10~(-36);吉林大学等校《无机化学习题集》216页K_(SP·CuS)=8.5×10~(-45);汪保濬等编《分析化学》上册180页K_(SP·CuS)=8.5×10~(-45);南京药
We found in the teaching process of solubility of copper sulfide product, there are many different data, a difference of several orders of magnitude, and the same book, the data in the upper and lower volumes are not the same. For example: Yin Jingzuo, Shen Panwen, “Basic Inorganic Chemistry” Volume 264 of the K_ (SP · CuS) = 8.5 × 10 ~ (-45), the next 661 pages K_ (SP · CuS) = 8.0 × 10 ~ -36); K_ (SP · CuS) = 8.5 × 10 ~ (-45), page 58 K_ (SP · CuS) = 6.0 × 10 ~ (-36); Kl (SP · CuS) = 8.5 × 10 ~ (-45); Jilin University and other schools “Inorganic Chemistry Problem Set” 216 K_ (SP · CuS) = 8.5 × 10 ~ (-45); Nanjing medicine