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How can we know what's the density of ice (water), but there's no data on how much is the density of frozen ethanol? (as far as I know)

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    $\begingroup$ You've probably seen water ice quite a number of times. Frozen ethanol, on the other hand, requires going well beyond $-100^\circ\rm C$, which you probably don't do every day. That said, I believe the data is somewhere out there, only it's not that easy to come by. $\endgroup$ – Ivan Neretin Apr 17 '18 at 14:47
  • $\begingroup$ The closest online source I found, celsius-process.com/pdf/ethanol.pdf , only goes to 4K above ethanol's m.p. It does seem that not all reference material is readily found online... yet. $\endgroup$ – DrMoishe Pippik Apr 17 '18 at 23:48

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