30℃时,小明配置了200克硝酸钾溶液,恒温蒸发20g水后,有6克硝酸铜晶体析出,他再恒温蒸发了30g水发现有15克硝酸钾晶体析出,则在30℃时,硝酸钾的溶解度是?(为什么恒温蒸发20g水,有6克硝酸铜晶
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![30℃时,小明配置了200克硝酸钾溶液,恒温蒸发20g水后,有6克硝酸铜晶体析出,他再恒温蒸发了30g水发现有15克硝酸钾晶体析出,则在30℃时,硝酸钾的溶解度是?(为什么恒温蒸发20g水,有6克硝酸铜晶](/uploads/image/z/6661875-3-5.jpg?t=30%E2%84%83%E6%97%B6%2C%E5%B0%8F%E6%98%8E%E9%85%8D%E7%BD%AE%E4%BA%86200%E5%85%8B%E7%A1%9D%E9%85%B8%E9%92%BE%E6%BA%B6%E6%B6%B2%2C%E6%81%92%E6%B8%A9%E8%92%B8%E5%8F%9120g%E6%B0%B4%E5%90%8E%2C%E6%9C%896%E5%85%8B%E7%A1%9D%E9%85%B8%E9%93%9C%E6%99%B6%E4%BD%93%E6%9E%90%E5%87%BA%2C%E4%BB%96%E5%86%8D%E6%81%92%E6%B8%A9%E8%92%B8%E5%8F%91%E4%BA%8630g%E6%B0%B4%E5%8F%91%E7%8E%B0%E6%9C%8915%E5%85%8B%E7%A1%9D%E9%85%B8%E9%92%BE%E6%99%B6%E4%BD%93%E6%9E%90%E5%87%BA%2C%E5%88%99%E5%9C%A830%E2%84%83%E6%97%B6%2C%E7%A1%9D%E9%85%B8%E9%92%BE%E7%9A%84%E6%BA%B6%E8%A7%A3%E5%BA%A6%E6%98%AF%3F%EF%BC%88%E4%B8%BA%E4%BB%80%E4%B9%88%E6%81%92%E6%B8%A9%E8%92%B8%E5%8F%9120g%E6%B0%B4%2C%E6%9C%896%E5%85%8B%E7%A1%9D%E9%85%B8%E9%93%9C%E6%99%B6)
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