化合价及计算的三个问题.1)硝酸钾为什么KNO3?硝酸根的化合价不是-1么、有3个原子,那不应该(-1)x3+K=0 推出K=3为什么不是K3NO3啊?而且K也是正一价.下面两个是计算题2) ,莽草酸(C7H10O5)中,174g
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![化合价及计算的三个问题.1)硝酸钾为什么KNO3?硝酸根的化合价不是-1么、有3个原子,那不应该(-1)x3+K=0 推出K=3为什么不是K3NO3啊?而且K也是正一价.下面两个是计算题2) ,莽草酸(C7H10O5)中,174g](/uploads/image/z/3405066-42-6.jpg?t=%E5%8C%96%E5%90%88%E4%BB%B7%E5%8F%8A%E8%AE%A1%E7%AE%97%E7%9A%84%E4%B8%89%E4%B8%AA%E9%97%AE%E9%A2%98.1%EF%BC%89%E7%A1%9D%E9%85%B8%E9%92%BE%E4%B8%BA%E4%BB%80%E4%B9%88KNO3%3F%E7%A1%9D%E9%85%B8%E6%A0%B9%E7%9A%84%E5%8C%96%E5%90%88%E4%BB%B7%E4%B8%8D%E6%98%AF-1%E4%B9%88%E3%80%81%E6%9C%893%E4%B8%AA%E5%8E%9F%E5%AD%90%2C%E9%82%A3%E4%B8%8D%E5%BA%94%E8%AF%A5%EF%BC%88-1%EF%BC%89x3%2BK%3D0+%E6%8E%A8%E5%87%BAK%3D3%E4%B8%BA%E4%BB%80%E4%B9%88%E4%B8%8D%E6%98%AFK3NO3%E5%95%8A%3F%E8%80%8C%E4%B8%94K%E4%B9%9F%E6%98%AF%E6%AD%A3%E4%B8%80%E4%BB%B7.%E4%B8%8B%E9%9D%A2%E4%B8%A4%E4%B8%AA%E6%98%AF%E8%AE%A1%E7%AE%97%E9%A2%982%29+%2C%E8%8E%BD%E8%8D%89%E9%85%B8%EF%BC%88C7H10O5%29%E4%B8%AD%2C174g)
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