25 ℃时,向10 mL0.01 mol/L KOH溶液中滴加0.01 mol/L苯酚溶液,混合溶液中粒子浓度关系正确的是 |
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A.pH>7时,c(C 6 H 5 O - )>c(K + )>c(H + )>c(OH - ) B.pH<7时,c(K + )>c(C 6 H 5 O - )>c(H + )>c(OH - ) C.V[C 6 H 5 OH(aq)]=10 mL时,c(K + )=c(C 6 H 5 O - )>c(OH - )=c(H + ) D.V[C 6 H 5 OH(aq)]=20 mL时,c(C 6 H 5 O - )+c(C 6 H 5 OH)=2c(K + ) |
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