document.write( "Question 932540: a chemist needs 400 ml of 12% hydrochloric acid solution. there are 10% and 15% solutions available, how much of each solution should be mixed to get the desired result \n" ); document.write( "
Algebra.Com's Answer #566273 by ewatrrr(24785)![]() ![]() You can put this solution on YOUR website! x the 15% amount \n" ); document.write( ".15x + .10(400ml - x) = .12(400ml) \n" ); document.write( "x = .02(400ml)/.05 = 160ml, the 15% amount \n" ); document.write( "(400ml - x) the 10% amount \n" ); document.write( " |