56. Решение задачи по химии №005 674
22(2). Calculate the mass fraction (%) of the components of the gas mixture from the following data obtained by gas chromatography:
Gas S, mm2 k
o-xylene 16.7 0.84
m-xylene 20.3 0.81
p-xylene 8.6 0.81
ethylbenzene 30.4 0.82
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