Posted by MaryB on Thursday, November 4, 2010 at 3:44pm.
Really, we don't know unless we know 38.4% w/v, v/v, w/w.
If it is v/v, then
we have 38.4 mL ethanol/(100 mL solution). That means 100-38.4 = 61.6 mL water.
So ethanol = 38.4 x (137.8/100) = ??
and water = 61.6 x (137.8/100) = ??
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