document.write( "Question 356726: What weight must be added to 50g of 36% sulfuric acid solution to yield a 20% solution? All percents are weight. \n" ); document.write( "
Algebra.Com's Answer #254657 by robertb(5830)\"\" \"About 
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Let x = # grams of water that has to be added. Then
\n" ); document.write( "\"50%2A0.36+%2B+x%2A0+=+%2850+%2B+x%29%2A0.20\",
\n" ); document.write( "\"18+=+10+%2B+0.20x\",
\n" ); document.write( "\"8+=+0.20x\",
\n" ); document.write( "\"40+=+x\". Therefore 40 grams of water has to be added.
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