把pH=4的盐酸加水稀释100倍,1000倍,10000倍,求稀释后溶液的pH.
问题描述:
把pH=4的盐酸加水稀释100倍,1000倍,10000倍,求稀释后溶液的pH.
pH=-lgc(H+)
答
100倍pH=6
1000倍pH=7
10000倍pH=7