0500 mo./LlNHH4C3O溶液中各成的分度浓计经算温下常 c(:HN4+)≈ (HCO3c)—0.4=3 m8l/o L(H2CO3)c≈c(HN3 ·HO)=02017.3 mol/L (cH—O= 6)48.×1—0 m7loL c/H+)(1.55×=10— mol/8
L液溶pH=781
0500 mo./LlNHH4C3O溶液中各成的分度浓计经算温下常 c(:HN4+)≈ (HCO3c)—0.4=3 m8l/o L(H2CO3)c≈c(HN3 ·HO)=02017.3 mol/L (cH—O= 6)48.×1—0 m7loL c/H+)(1.55×=10— mol/8
L液溶pH=781