document.write( "Question 479758: how much water must be evaproated from 8 grams of a 30% antiseptic solution to produce a 40% solution?
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Algebra.Com's Answer #328699 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( "how much water must be evaporated from 8 grams of a 30% antiseptic solution 
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document.write( "to produce a 40% solution\r
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document.write( "Expressing in terms of % of water: i.e.8 grms of 70 % water..etc
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document.write( "Letting x represent the amount of water that must be evaporated
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document.write( "Question states***
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document.write( "  .70*8gm - x = .60(8gm-x)
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document.write( "       .10*8 = .40x
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document.write( "       .10*8/.40 = x = 2grams must be evaporated off.\r
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document.write( "CHECKING our Answer***
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document.write( "   5.6 -2 = 3.6 = .60*(8-2) = 3.6 \n" );
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