问题
填空题
5克盐溶解在5千克的水中,盐与盐水的质量比是______.
答案
5千克=5000克,
5:(5+5000),
=5:5005,
=(5÷5):(5005÷5),
=1:1001;
故答案为:1:1001.
5克盐溶解在5千克的水中,盐与盐水的质量比是______.
5千克=5000克,
5:(5+5000),
=5:5005,
=(5÷5):(5005÷5),
=1:1001;
故答案为:1:1001.