document.write( "Question 947840: How much water should be evaporated from 100 liters of 40% vinegar solution to increase the acidity to 80%? \n" ); document.write( "

Algebra.Com's Answer #578485 by Fombitz(32388) $\"\"$ $\"About$

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A 40% solution would have 40 liters of vinegar and 60 liters of water.
\n" ); document.write( " $\"%2840%29%2F%2840%2B60%29=40%2F100=0.4\"$
\n" ); document.write( "An 80% solution with 40 liters of vinegar would have 10 liters of water.
\n" ); document.write( " $\"%2840%2F%2840%2B10%29%29=4%2F5=0.8%29\"$
\n" ); document.write( "You need to evaporate 50 liters of water.
\n" ); document.write( " $\"60-10=50\"$ \n" ); document.write( "

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