60. Using standard solutions, calibration graphs were constructed. Determine the content of substance X in the units indicated in the penultimate column, if the measurement yielded the value of the analytical signal Xx
Concentration and electrical conductivity Units. Xx, Sm/cm
HCl C, g/l 1 5 10 15 20
x, S/cm 1.32 1.10 0.90 0.64 0.47 n. 1.22

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