document.write( "Question 496101: Jennifer needs to make a solution that is 30% hydrochloric acid. If she must use all of the 25 mL of 60% hydrochloric acid she started with, then how much water needs to be mixed with the original solution?
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Algebra.Com's Answer #336355 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Since 30% is 1/2 of 60%, just add an equal amount of water. \n" ); document.write( "25 mL of water. \n" ); document.write( "------------- \n" ); document.write( "Or, \n" ); document.write( "0.6*25 + 0*x = 0.3*(25+x) \n" ); document.write( "15 = 7.5 + 0.3x \n" ); document.write( "0.3x = 7.5 \n" ); document.write( "x = 25 mL \n" ); document.write( " \n" ); document.write( " |