document.write( "Question 327218: How much of an 18% solution of sulfuric acid should be added to 360 mL of a 10% solution to obtain a 15% solution? Thank you for all your help. \n" ); document.write( "

Algebra.Com's Answer #234339 by Fombitz(32388) $\"\"$ $\"About$

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Let X be the amount of 18% solution.
\n" ); document.write( " $\"18X%2B10%28360%29=15%28X%2B360%29\"$
\n" ); document.write( " $\"18X%2B3600=15X%2B5400\"$
\n" ); document.write( " $\"3X=1800\"$
\n" ); document.write( " $\"highlight_green%28X=600%29\"$
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\n" ); document.write( "600 ml of 18% solution. \n" ); document.write( "

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