29. Решение задачи по химии №002 920

14. The freezing point of benzene is 5.5 C, and a solution of 6.15 g of nitrobenzene in 400 g of benzene freezes at a temperature of 4.86 C. The cryoscopic constant of benzene is 5.12 deg. Calculate the mass fraction of nitrobenzene C6H5NO2.

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