42. Решение задачи по химии №004 247

342. The sensitivity (f) of the chromatograph detector to o-, m- and p-xylenes is practically the same. Calculate the mass fraction (%) of each of them in the mixture if the parameters of their chromatographic peaks are as follows:
Substance Peak height, mm Peak width at the base, mm
o-xylene 70 12
m-xylene 95 15
p-xylene 38 17

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