对一道中考控分题的最后一小题和该小题的题给答案进行探讨。题目要求学生用一种简单方法将50 g溶质质量分数为6%的氯化钠溶液转化成该温度下的饱和溶液。从“只加溶质氯化钠,应该加多少?”、“还有其他实验方法能使溶液变成饱和吗?”、题目和答案中数据的精确度不一致三个方面展开讨论。 On a test control sub-topic last question and the title of the question to answer. The subject requires that students use a simple method to convert 50 g of a 6% solute solution of sodium chloride into a saturated solution at that temperature. From “only plus solute sodium chloride, should add?”, “There are other experimental methods can make the solution become saturated?”, The title and answer the accuracy of the data inconsistent in three aspects to discuss.