document.write( "Question 585304: how much water must be added to 500g of 30 acid solution in order to produce a 20% acid solution? \n" ); document.write( "
Algebra.Com's Answer #373264 by stanbon(75887)\"\" \"About 
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how much water must be added to 500g of 30 acid solution in order to produce a 20% acid solution?
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\n" ); document.write( "Equation:
\n" ); document.write( "water + water = water
\n" ); document.write( "0.70*500 + x = 0.80(500+x)
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\n" ); document.write( "70*500 + 100x = 80*500 + 80x
\n" ); document.write( "20x = 10*500
\n" ); document.write( "x = 250 g (amt. of water needed)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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