Question

Using a nephelometer it was determined that the
standard sol of iron with a mass fraction of 1.8 % has the
same light scattering intensity with the investigated sol
of the same dispersion at the height of the illuminated
layers: standard sol - 16.1 mm, the investigated - 13.2
mm Determine the mass fraction of iron (in %) in the sal.

A. 2.20
B. 2,74
C. 2,63
D. 1,32​

Answer 1

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