document.write( "Question 917248: Chemistry A scientist wants to make 6 milliliters of a 30% sulfuric acid solution. The solution is to be made from a combination of a 20% sulfuric acid solution and a 50% sulfuric acid solution. How many milliliters of each solution must be combined to make the 30% solution? \n" ); document.write( "
Algebra.Com's Answer #556607 by mananth(16946)\"\" \"About 
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Acid
\n" ); document.write( " percent ---------------- quantity
\n" ); document.write( "Sulphuric acid type I 20.00% ---------------- x ml
\n" ); document.write( "sulphuric acid type II 50.00% ------ 6 - x ml
\n" ); document.write( "Mixture 30.00% ---------------- 6
\n" ); document.write( "Total 6 ml
\n" ); document.write( "20.00% x + 50.00% ( 6 - x ) = 30.00% * 6
\n" ); document.write( "20 x + 50 ( 6 - x ) = 180
\n" ); document.write( "20 x + 300 - 50 x = 180
\n" ); document.write( "20 x - 50 x = 180 - -300
\n" ); document.write( "-30 x = -120
\n" ); document.write( "/ -30
\n" ); document.write( " x = 4 ml 20.00% Sulphuric acid type I
\n" ); document.write( " 2 ml 50.00% sulphuric acid type II
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\n" ); document.write( "m.ananth@hotmail.ca
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