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<blockquote data-quote="klein" data-source="post: 830213" data-attributes="member: 23950"><p>Vodka is about 40% ethyl alcohol, which has a freezing point of -114C. If we assume the other 60% is water (which freezes at 0C), then the freezing point of vodka is -114C x 0.40 + 0C x 0.60 = -46C. But, a normal household freezer wont go down to -46C, therefore it won 't freeze.</p><p> </p><p>The above calculation is done with a 40% alcohol content.(Polar Ice Vodka, I just bought for my older brother yesterday - he's here visiting).</p><p>We don't have "proof percentages" here or in Europe. (metric, remember) ?</p><p>We go by the actual alcohol content.</p></blockquote><p></p>
[QUOTE="klein, post: 830213, member: 23950"] Vodka is about 40% ethyl alcohol, which has a freezing point of -114C. If we assume the other 60% is water (which freezes at 0C), then the freezing point of vodka is -114C x 0.40 + 0C x 0.60 = -46C. But, a normal household freezer wont go down to -46C, therefore it won 't freeze. The above calculation is done with a 40% alcohol content.(Polar Ice Vodka, I just bought for my older brother yesterday - he's here visiting). We don't have "proof percentages" here or in Europe. (metric, remember) ? We go by the actual alcohol content. [/QUOTE]
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