Posted by April on Saturday, June 23, 2012 at 4:23pm.
Proof in the U. S. is defined as twice the alcohol content by volume; therefore, 75 proof means we have 37.5% ethanol by volume.
37.5 g in 100 mL or
37.5 x 2450 mL/100 mL = ?g ethanol in 2.45L.
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