document.write( "Question 188875: how much pure acid should be mix with 2 gallonsof 40% acid solution in order to get a 70%acid solution. can you please show me how to do it my self, thanks \n" ); document.write( "
Algebra.Com's Answer #141640 by Alan3354(69443)\"\" \"About 
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how much pure acid should be mix with 2 gallonsof 40% acid solution in order to get a 70%acid solution.
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\n" ); document.write( "2 gals of 40% has 0.8 gals of acid and 1.2 gals of water.
\n" ); document.write( "If acid is added to be 70%, then the 1.2 gals of water will be 30% of the solution.
\n" ); document.write( "If 1.2 gals is 0.3 of the solution, then the total is 4 gallons. Add 2 gallons to make it 70%.
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