This essay analyses the unreliability of the existing criterion (ΔpK≥4、c 0K n≥10 -8 ),when employed in judging the feasibility of stepwise titration polybasic acids or bases,and the possible causes.A common and co...This essay analyses the unreliability of the existing criterion (ΔpK≥4、c 0K n≥10 -8 ),when employed in judging the feasibility of stepwise titration polybasic acids or bases,and the possible causes.A common and concrete criterion is obtained throungh accurate deductions.Verification tells that this new criterion is in good accordance with the practice.展开更多
文摘This essay analyses the unreliability of the existing criterion (ΔpK≥4、c 0K n≥10 -8 ),when employed in judging the feasibility of stepwise titration polybasic acids or bases,and the possible causes.A common and concrete criterion is obtained throungh accurate deductions.Verification tells that this new criterion is in good accordance with the practice.
