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Soil is 75 saturated with ca2nbsp mg2nbsp knbsp 50 g of the

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100 g soil was completely saturated with Al+3 (100% of the CEC is occupied with Al+3).  Any excess Al+3was leached from the soil sample.  The exchangeable Al+3 was then exchanged with K+ by adding 1N KCl.  The Al+3 in the extract was determined by titration with 150 ml of 0.15 N base.  Calculate the CEC.

A soil is 75% saturated with Ca+2 + Mg+2 + K+.  50 g of this soil is titrated with 20 ml of 0.1 N NaOH.  Calculate the CEC.

Reference no: EM13469000

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