document.write( "Question 889981: How many liters containing 8% acid solution should be added to 20 liters containing 60% acid in order to obtain a 40% acid solution? \n" ); document.write( "
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\n" ); document.write( "How many millilitres of water must be added to 240 milliliters of a 25% sulphuric acid solution to reduce the percentage of sulphuric acid in the new solution to 10%?
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\n" ); document.write( "\n" ); document.write( "Add W ml.
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\n" ); document.write( "240*25 + 0*W = (240 + W)*10
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