常温下,0.1 mol/L某一元酸(HA)溶液的pH=3,下列叙述正确的是 [ ] A.该溶液中,c 2 (H +
常温下,0.1mol/L某一元酸(HA)溶液的pH=3,下列叙述正确的是[]A.该溶液中,c2(H+)=c(H+)·c(A-)+KwB.由pH=3的HA与pH=11的Na...
常温下,0.1 mol/L某一元酸(HA)溶液的pH=3,下列叙述正确的是 [ ]
A.该溶液中,c 2 (H + )=c(H + )·c(A - )+ Kw B.由pH=3的HA与pH=11的NaOH溶液等体积混合,所得溶液中:c(Na + )>c(A - )>c(OH - )>c(H + ) C.浓度均为0.1 mol/L的HA和NaA溶液等体积混合,所得溶液中:c(A - )>c(HA)>c(Na + )>c(H + ) >c(OH - ) D.0.1 mol/LHA溶液与0.05 mol/L NaOH溶液等体积混合,所得溶液中:2c(H + )+c(HA)=c(A - ) +2c(OH - ) 展开
A.该溶液中,c 2 (H + )=c(H + )·c(A - )+ Kw B.由pH=3的HA与pH=11的NaOH溶液等体积混合,所得溶液中:c(Na + )>c(A - )>c(OH - )>c(H + ) C.浓度均为0.1 mol/L的HA和NaA溶液等体积混合,所得溶液中:c(A - )>c(HA)>c(Na + )>c(H + ) >c(OH - ) D.0.1 mol/LHA溶液与0.05 mol/L NaOH溶液等体积混合,所得溶液中:2c(H + )+c(HA)=c(A - ) +2c(OH - ) 展开
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