document.write( "Question 697033: How many kg of water must be evaporated from 100 kg of a 6% salt solution to obtain a 20% salt solution? \n" ); document.write( "
Algebra.Com's Answer #429589 by stanbon(75887)\"\" \"About 
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How many kg of water must be evaporated from 100 kg of a 6% salt solution to obtain a 20% salt solution?
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\n" ); document.write( "Equation:
\n" ); document.write( "water - water = water
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\n" ); document.write( "0.94*100 - 1*x = 0.80(100 - x)
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\n" ); document.write( "94*100 - 100x = 80*100 - 80x
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\n" ); document.write( "-20x = -14*100
\n" ); document.write( "x = 70 kg (amt. of water to evaporate)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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