document.write( "Question 859008: How many milliliters of 8% hydrochloric acid and 15% hydrochloric acid to get 100 milliliters of solution that is 12.2% hydrochloric acid?
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Algebra.Com's Answer #517475 by mananth(16946)\"\" \"About 
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Percent ---------------- quantity
\n" ); document.write( "Hcl I 15.00% ---------------- x ml
\n" ); document.write( "Hcl II 8.00% ------ 100 - x ml
\n" ); document.write( "Mixture 12.20% ---------------- 100
\n" ); document.write( "Total 100 ml
\n" ); document.write( "15.00% x + 8.00% ( 100 - x ) = 12.20% * 100
\n" ); document.write( "15 x + 8 ( 100 - x ) = 1220
\n" ); document.write( "15 x + 800 - 8 x = 1220
\n" ); document.write( "15 x - 8 x = 1220 - -800
\n" ); document.write( "7 x = 420
\n" ); document.write( "/ 7
\n" ); document.write( " x = 60 ml 15.00% Hcl I
\n" ); document.write( " 40 ml 8.00% Hcl II
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\n" ); document.write( "m.ananth@hotmail.ca
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