Question

Freezing point of ethylene glycol water solution of different composition

Answer 1

5 Kelvin
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Answer 2

For example, a mixture of 60%ethylene glycol and 40% water freezes at −45 °C (−49 °F). Diethylene glycol behaves similarly. ... The use of ethylene glycol not only depresses thefreezing point of aqueousmixtures, but also elevates their boiling point.
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