# SOLUTION: A chemistry teacher needs to strengthen a 12% solution of acid to strength s by mixing it with pure acid. How much pure acid must be added to 100ml of the 12% solution to make acid

Algebra ->  Algebra  -> Customizable Word Problem Solvers  -> Mixtures -> SOLUTION: A chemistry teacher needs to strengthen a 12% solution of acid to strength s by mixing it with pure acid. How much pure acid must be added to 100ml of the 12% solution to make acid      Log On

 Ad: Over 600 Algebra Word Problems at edhelper.com Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help! Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!

 Word Problems: Mixtures Solvers Lessons Answers archive Quiz In Depth

 Click here to see ALL problems on Mixture Word Problems Question 423388: A chemistry teacher needs to strengthen a 12% solution of acid to strength s by mixing it with pure acid. How much pure acid must be added to 100ml of the 12% solution to make acid strength s? Answer by jorel1380(2518)   (Show Source): You can put this solution on YOUR website!100(.12)+x=s(100+x) 12+x=100s+sx x-sx=100s-12 x(1-s)=100s-12 x=100s-12/1-s..