document.write( "Question 927726: a chemist has 2 L of a solution that is 10% hydrochloric acid, and she wants a solution that is 25% hydrochloric acid. how much concentrated 37% acid must she add? \n" ); document.write( "
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a chemist has 2 L of a solution that is 10% hydrochloric acid, and she wants a solution that is 25% hydrochloric acid. how much concentrated 37% acid must she add?
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\n" ); document.write( "2*10 + x*37 = (2+x)*25 --- x in liters
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