document.write( "Question 273772: How many liters of water must be evaporated from 10 L of a 40% salt solution to produce a 50% solution? \n" ); document.write( "
Algebra.Com's Answer #727002 by ikleyn(52786)\"\" \"About 
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document.write( "    No salt solution with the concentration above 27% - 28%.\r\n" );
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document.write( "    It does not exist and can not exist.\r\n" );
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document.write( "    See this Wikipedia article    https://en.wikipedia.org/wiki/Saline_water\r\n" );
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