135. Solving a chemistry problem
7. From V in ml of aqueous 0.1 M salt solutions are extracted in the form of oxyquinolates by triple extraction with chloroform; a) lanthanum, b) samarium. The distribution coefficients are equal to DLa=370, DSm=280/ Calculate the minimum solvent consumption for extracting each of the elements so that its concentration in the aqueous solution drops to the final concentration c’:
Option 1
Vv La, ml 250
Vo Sm, ml
s’, mol/l 1*10-3
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