document.write( "Question 854636: a chemist has 10 cm^3 of 20% salt solution. how many cubic centimeter of water should she add to produce a 5% salt solution?
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Algebra.Com's Answer #514790 by josgarithmetic(39618)\"\" \"About 
You can put this solution on YOUR website!
You hopefully mean percent weight per volume.
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\n" ); document.write( "\n" ); document.write( "Let u = how much volume, cm^3 of water to add.
\n" ); document.write( "\"20%2A10%2F%28u%2B10%29=5\"
\n" ); document.write( "Solve for u.
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