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alcohol content

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RichD

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Aug 26, 2021, 8:32:42 PM8/26/21
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On the label of any bottle of booze, beer, or wine, is printed
the alcohol content, as percentage. How is this measured?

And, why is it defined by volume? Chemistry involves
interactions of molecules - matter - not volume. Shouldn't
the alcohol content be presented as percentage of weight?

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Rich

Ian Gay

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Aug 27, 2021, 12:47:31 PM8/27/21
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And even worse, what does % by volume mean in this case? The volume
of ethanol-water solutions is notoriously different from the sum
of the volumes of the components.
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bruce bowser

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Sep 14, 2021, 3:09:30 PM9/14/21
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On Thursday, August 26, 2021 at 8:32:42 PM UTC-4, RichD wrote:
> On the label of any bottle of booze, beer, or wine, is printed
> the alcohol content, as percentage.

Not on Cobra, Crazy Stallion or Crazy Horse.
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