document.write( "Question 343870: two acid solution are available to a chemist. one is a 10% nitric acid solution and the other is a 40% nitric acid solution.how much of each type of solution should be mixed together to for a 12 litters of a 20% nitric solution \n" ); document.write( "
Algebra.Com's Answer #246012 by Fombitz(32388)\"\" \"About 
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Let \"A\" be the amount of 10% nitric acid solution and let \"B\" be the amount of 40% nitric acid solution.
\n" ); document.write( "Total volume equation:
\n" ); document.write( "1.\"A%2BB=12\"
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\n" ); document.write( "Concentration equation:
\n" ); document.write( "\"10A%2B40B=20%2812%29\"
\n" ); document.write( "\"10A%2B40B=240\"
\n" ); document.write( "2.\"A%2B4B=24\"
\n" ); document.write( "Subtract eq. 1 from eq. 2,
\n" ); document.write( "\"A%2B4B-A-B=24-12\"
\n" ); document.write( "\"3B=12\"
\n" ); document.write( "\"highlight%28B=4%29\"liters
\n" ); document.write( "Then from eq. 1,
\n" ); document.write( "\"A%2B4=12\"
\n" ); document.write( "\"highlight%28A=8%29\"liters
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