76. Solving a chemistry problem
263. In what ratio should the masses of water and ethyl alcohol С2Н5ОН be in order to obtain a solution that crystallizes at -20˚С? The cryoscopic constant of water is 1.86˚.
Answer: 2:1.
If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.
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