将0.1mL,0.5mol/L的硫酸,稀释成100mL,PH值为多少啊?求详解
问题描述:
将0.1mL,0.5mol/L的硫酸,稀释成100mL,PH值为多少啊?求详解
答
3
[H+]=0.5*2=1mol/L
稀释1000 [H+]=10的-3次方
PH=-lg[H+]=3