现有a mol/LNaX溶液和b mol/LNaY溶液,均显碱性,且HX酸性比HY强。下列说法正确的是
A.若a=b,则c(X-)<c(Y-) |
B.若pH(NaX) = pH(NaY),则a>b |
C.若a<b,且c(X-)=c(Y-),则溶液中c(HX)<c(HY) |
D.若两溶液等体积混合,则c(X-) + c(Y-) + c(HX) + c(HY) =" a" +b |
现有a mol/LNaX溶液和b mol/LNaY溶液,均显碱性,且HX酸性比HY强。下列说法正确的是
A.若a=b,则c(X-)<c(Y-) |
B.若pH(NaX) = pH(NaY),则a>b |
C.若a<b,且c(X-)=c(Y-),则溶液中c(HX)<c(HY) |
D.若两溶液等体积混合,则c(X-) + c(Y-) + c(HX) + c(HY) =" a" +b |