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A£®c(Cl‾) + c(OH‾ ) + c(A‾) > c(Na+ )
B£®c(Na+ ) > c(A‾ ) >c(H+ ) > c(OH‾ )
C£®c(A‾ ) + c(HA) = c(Na+ )
D£®c(A‾ ) > c(Na+ ) >c(H+ ) >c(OH‾ )
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