document.write( "Question 471029: How much water must evaporate from 90 liters barrel full of brine containing 150 grams of salt per liter to have a solution containing 300 grams of per liter? \n" ); document.write( "
Algebra.Com's Answer #323102 by jorel1380(3719)\"\" \"About 
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90x150=13500 gms
\n" ); document.write( "13500 gms/n liters=300 gms/liter
\n" ); document.write( "300n=13500
\n" ); document.write( "n=45
\n" ); document.write( "90-45=45
\n" ); document.write( "45 liters of water must evaporate to bring the concentration up to 300 gms/liter..
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