c(NaOH)=0.001mol/L
c(HCl)=0.1mol/L
要使得混合后溶液显中性,则a/b=0.1/0.001=100
pH=2则混合后c(H+)=0.01mol/L
(0.1b-0.001a)/(a+b)=0.01
解得a/b=90/11
c(NaOH)=0.001mol/L
c(HCl)=0.1mol/L
要使得混合后溶液显中性,则a/b=0.1/0.001=100
pH=2则混合后c(H+)=0.01mol/L
(0.1b-0.001a)/(a+b)=0.01
解得a/b=90/11