pH=12的NaOH的1ml稀释至100ml pH=?
问题描述:
pH=12的NaOH的1ml稀释至100ml pH=?
答
PH+POH=14,PH=12,则POH=2,即OH离子浓度为10的-2次方,0.01,稀释100倍,即OH离子浓度0.0001,换算成POH,即POH=4,因为PH+POH=14,所以PH=10
pH=12的NaOH的1ml稀释至100ml pH=?
PH+POH=14,PH=12,则POH=2,即OH离子浓度为10的-2次方,0.01,稀释100倍,即OH离子浓度0.0001,换算成POH,即POH=4,因为PH+POH=14,所以PH=10