将K2SO4、Al2(SO4)3、KAl(SO4)2三种盐混合,溶解于硫酸酸化的水中,测得c(SO2-4)=0.
将K2SO4,AL2(SO4)3,KAL(SO4)2三种盐混合,溶解于硫酸酸化的水中,测得c(SO42-)=0.125mol/L,c(AL3+)=0.065mol/L,c(K+)=0.045mol/L,假设溶液中硫酸完全电离为H+和SO42-,则溶液中H+的浓度为()
A.0.1mol/LB.0.01mol/LC.10^-3mol/LD.10^-4mol/L