document.write( "Question 1190166: When salt and water are combined they form a saline solution, How much water must be added to a 150 mL of an 80% saline solution to produce a 30% saline solution? \n" ); document.write( "

Algebra.Com's Answer #821725 by ikleyn(52788) $\"\"$ $\"About$

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\n" ); document.write( "\n" ); document.write( "Saline solution MAY NOT have a concentration higher than ~ 26% - it becomes saturated and does not dissolve more salt.\r
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\n" ); document.write( "\n" ); document.write( "so the problem as stated SCARES readers who are familiar with Science.\r
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\n" ); document.write( "\n" ); document.write( "About saline water, read and learn from this Wikipedia article\r
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\n" ); document.write( "\n" ); document.write( "https://en.wikipedia.org/wiki/Saline_water#:~:text=Salt%20concentration%20in%20slightly%20saline,ppm%20(1%E2%80%933.5%25).\r
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\n" ); document.write( "\n" ); document.write( "Below is a cut from this article, to learn for all who wish it . . . \r
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\n" ); document.write( "\n" ); document.write( "It starts from the definition what \" saline water \" is\r
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document.write( "        +-------------------------------------------------------------------+\r\n" );
document.write( "        |     Saline water (or salt water) is water that contains a high    |\r\n" );
document.write( "        |     concentration of dissolved salts (mainly sodium chloride).    |\r\n" );
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document.write( "    The salt concentration is usually expressed in parts per thousand (permille, ‰) and parts per million (ppm). \r\n" );
document.write( "    The United States Geological Survey classifies saline water in three salinity categories. \r\n" );
document.write( "    Salt concentration in slightly saline water is around 1,000 to 3,000 ppm (0.1  -  0.3%), \r\n" );
document.write( "    in moderately saline water 3,000 to 10,000 ppm (0.3  -  1%) \r\n" );
document.write( "    and in highly saline water 10,000 to 35,000 ppm (1  -  3.5%). \r\n" );
document.write( "    Seawater has a salinity of roughly 35,000 ppm, equivalent to 35 grams of salt per one liter (or kilogram) of water. \r\n" );
document.write( "    The saturation level is only nominally dependent on the temperature of the water.[1]\r\n" );
document.write( "    At 20 °C one liter of water can dissolve about 357 grams of salt, a concentration of 26.3% w/w. \r\n" );
document.write( "    At boiling (100 °C) the amount that can be dissolved in one liter of water increases to about 391 grams, \r\n" );
document.write( "    a concentration of 28.1% w/w.\r\n" );
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\n" ); document.write( "\n" ); document.write( "To say that saline water has concentration of 80% is the same as to say that water boils at 90 °C at normal conditions . . . \r
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\n" ); document.write( "\n" ); document.write( "Or to say that the right angle is 100°.\r
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