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What proof is pure grain alcohol?

Updated: 10/25/2022
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Herb123

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13y ago

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"Pure alcohol is 200 proof."

Not generally true. You would think so, except that practical issues with distilling mean that the product known as "pure grain alcohol" is 190 proof (5% water cannot be distilled out of the product) in many states, and in some states, for legal reasons, "PGA" is actually 151 proof because higher proof is not legal to sell.

It is difficult to maintain alcohol at 200 proof because, when exposed to air, it self-dilutes to a lower proof.

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Yes. Ethanol, also called ethyl alcohol, pure alcohol, grain alcohol, or drinking alcohol,


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Why when you mix exactly one liter each of pure ethanol and pure water do you end up with less than exactly two liters of liquid?

due to the inerrant structure of alcohol, the water molecules tend to fit into the spaces in the alcohol molecules,thus resulting in some extra space having been left by the absorption of the water molecules by the alcohol molecules this results in a volumetric deficit in the total sum of both liquids.The proof of the alcohol would then be exactly 1/2 of the original value assuming that at 100% pure alcohol and 100 % pure water ,after mixing the two ,the alcohol is now at 50% of its original strength or 100 proof after starting out as 200 proof ,therefore proof is 2 times the amount of alcohol (200 proof alcohol diluted with an equal amount of water yields slightly less than 2 liters of 100 proof or 50 % alcohol. here ends chemistry 101. surprising that all the big time answerer s could not come up with an answer,so much for credibility

Related questions

What is pga alcohol?

Pure Grain Alcohol; usually containing a very high alcohol proof/percentage (i.e. 100 Proof, 50%)


Is grain alcohol are pure substance or a mixture?

Grain alcohol is a mixture


Is ethanol commonly called grain alcohol?

Called Grain Alcohol, drinking alcohol, ethyl alcohol or pure alcohol


How much alcohal in a peg?

There is a lot of alcohol in a keg of beer. If it is a ½ barrel it will have 15.5 gallons of beer of which about 3 quarts, is pure alcohol. That is equal to 60 shots in 1 ½ oz glasses, of 200 proof pure grain alcohol.


Is grain alcohol a pure substance a or mixture?

Grain alcohol is a compound known as ethanol and so is a pure substance, but it is almost never found in pure form.


What alcohol is 180 proof?

Yeh... Build a Mill..... Buy Crops.. Grain,Sugar cane, Sugar Beats, Etc... Run it through the mill.. about $1.50 or so a gallon and outcome of it? Alcohol,Co2, And Feed for livestock


What are the pure spirits?

Pure spirits may refer to neutral grain spirit, pure grain alcohol or grain neutral spirit. A clear, colorless, flammable liquid, it's distilled from grain mash and contains 95% or more alcohol by volume (170 proof or higher).Pure spirits may also refer to the religious or spiritual notion of angels, whose understanding, will and intellect depends not on material substance.See the related links below for more information on both variations.


Does the proof of alcohol go over 200 proof?

Yes, there is such a thing as 200 (175) Proof alcohol: it is pure ethanol itself.


Can you buy 190 proof grain alcohol in Maryland or Ohio?

You can buy 190 proof grain alcohol in Maryland. In West Virginia and Ohio, you can only buy 150 proof grain alcohol. I know in Maryland you buy either Everclear or Gemclear (generic version of everclear but same proof). The difference in price is about $5 per half gallon.


How much pure grain alcohol to add to what amount of mix?

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100% pure alcohol is 200 proof. So 100 proof is 50% alcohol.


How strong is 10.5 alcohol?

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