Cation Exchange

Cation exchange relates to a positively charged ion(know as a cation) and its ability to be transfered from peerless molecule to another olibanum forming a bond. There is a measurement of the ability of a speck to do this and it is known as Cation Exchange Capacity(CEC). We tried and true the ability of different soils to do this within our lab. One was with the CEC experiment, the floculation experiment, and the glaring properties of clay. The CEC experiment screen outed the CEC of ternary different soils which were Drummer, Cisne, and Sand. The experiment was performed in a couple steps. introductory the soils were washed in ammonium ion acetate and consequently rinsed with alcohol. The soil was thus hardened in a jar containing KCL, followed by 1 scoop of MgO powder. boracic savage was and then placed in a little dish that was hang up above the soil and solution. later on a hour and a half of the borric acid existence suspended in the close jar with the soil, the boric acid was then titrated. With the amount of mL call for for titration, we were then fit to depend the CEC of the soils.Drummer required 6.7 mL to be titrated. Cisne required 1.6 mL to be titrated and the sand required 0.1 mL. We then determined the CEC by use the Calculation of two hundred*N*V. The results of CEC for the different soils were as follows; 26.8 for drummer, 6.4 for Cisne, and 0.4 for Sand.

This shows that drummer is least believably to let things leach threw it. Where sand has the low CEC so it is near likely to let things pass threw with knocked out(p) cation exchange. The nigh experiment performed was to test floculation. In this experiment we had wizard coarse clay outspread into 5 test tubes. various solutions were then added to the test tubes to perk how they reacted. The solutions used were KCL, NaCL, CaCL2, ALCl3, and distilled water. The order of floculation seen was as follows; most being AlC3, second most was CaCl2, next was NaCl, then KCL, and no floculation was seen with the distilled water. The reason for this is because the higher(prenominal) the charge...If you want to get a right essay, order it on our website: Orderessay

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