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AԗlKIO3ҺcKIҺlI2IO35I3H2O3I26OH
BFeSO4ҺмK2Cr2O7Һ6Fe2+ Cr 2O72+14H=6Fe3+2Cr3+7H2O
CCl2ˮCl2 + H2O = 2H++Cl-+ClO-
DNH4HSO3ҺcNaOHҺϼӟ᣺HSO3OH SO32H2O

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pH=1ҺУNH4+K+ClO-Cl-
SO42-ڵҺУNa+Mg2+Ca2+I-
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c(H+)=1.010-13mol•L-1ҺУNa+S2AlO2-SO32
ݺдAl3ҺNaNH4SO42HCO3
޺дFe3ҺNaMg2NO3SCN
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