50 g of soil is extracted with nh4cl ammonium chloride and, Ask an Expert

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50 g of soil is extracted with NH₄Cl (ammonium chloride) and the extract diluted to 0.5 liter. The solution contained the following cations:

120 ppm Ca⁺² 24 ppm Mg⁺² 1 ppm Na⁺ 13 ppm K⁺

a. Estimate the CEC (meq/100g)

b. The soil pH is 7.5. Was your estimate of CEC a good estimate? Why or why not?

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Category:- Chemistry
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