document.write( "Question 383999: how much solution must be removed from 50ml of 30% acid solution and replaced with pure water to produce a 20% solution? \n" ); document.write( "
Algebra.Com's Answer #271834 by scott8148(6628)\"\" \"About 
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(50 - x)(30%) + (x)(0%) = (50)(20%) \n" ); document.write( "
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