A.[H+]=[OH-]+[Cl-]+[SO42-] B.[H+]+0.3=[OH-]+[SO42-] C.[H+]-0.3=[OH-]+[SO42-] D.[H+]-0.3=[OH-]+[SO42-]+[HSO4-]
A.[Ag+]=[NH3]=0.1mol/L B.2[Ag+]=[NH3]=0.2mol/L C.[Ag+]+[Ag(NH3)+]+2[Ag(NH3)2+]=0.1mol/L D.[NH3]+[Ag(NH3)+]+2[Ag(NH3)2+]=0.2mol/L
A.[H2CO3]=[HCO3-] B.[HCO3-]=[CO32-] C.[H2CO3]=[CO32-] D.[H2CO3]=[H+]