document.write( "Question 504560: Please help me answer this question: how many milliliters of pure water must be added to 100ml of a 4% salt solution to make a 2.5% salt solution? \n" ); document.write( "
Algebra.Com's Answer #339629 by jorel1380(3719)\"\" \"About 
You can put this solution on YOUR website!
100x.04=4ml salt
\n" ); document.write( ".025m=4
\n" ); document.write( "m=4/.025=160
\n" ); document.write( "Since you already have 100 ml of solution, you need to add 60 ml of pure water to get a 2.5% solution..
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