document.write( "Question 586703: how many grams of water must be added to 50 grams of a 30% acid solution in order to produce a 20% acid solution?
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Algebra.Com's Answer #373863 by ad_alta(240)\"\" \"About 
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Let 'w' be the grams of water needed. Then we must have (0.30*50)/(50+w)=0.20. We get w=25 grams. \n" ); document.write( "
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