Posted by annie on Monday, September 20, 2010 at 10:33am.
when not stated, 95% is v/v
you want to dilute the ethanol 95/45 times, or 2.111 times. THat means one part alcohol, and 1.111 parts water.
100ml/2.111=47.37 is a part.
so, 47.37 ml of 95%
52.63 ml of water.
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