document.write( "Question 1069565: Use a system of equations to solve this problem.\r
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document.write( "A chemist currently has two solutions of sodium chloride. One solution has a 5% concentration and the other has a 25% concentration. The chemist needs to make 10 L of a 10% sodium chloride solution.\r
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document.write( "Let x = the amount of 5% solution.\r
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document.write( "Let y = the amount of 25% solution.\r
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document.write( "How much of each solution does the chemist need to make?\r
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document.write( "Enter your answers, as decimals, in the boxes. \n" );
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Algebra.Com's Answer #684801 by josgarithmetic(39617)![]() ![]() ![]() You can put this solution on YOUR website! How are the units used? \n" ); document.write( "w/w or w/v ?\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "If as w/w, then you need to know or use or refer to \n" ); document.write( " \r\n" ); document.write( "5% 1.034 g/ml\r\n" ); document.write( "10% 1.0707 g/ml\r\n" ); document.write( "24% 1.1804 g/ml\r\n" ); document.write( "26% 1.1972 g/ml\r\n" ); document.write( "\r\n" ); document.write( "Middle of 24 and 26 percents should give 1.1888 g/ml for 25% solution.\r\n" ); document.write( "\r\n" ); document.write( "Refered to online, http://chemistry.mdma.ch/hiveboard/rhodium/pdf/chemical-data/prop_aq.pdf\r\n" ); document.write( "\n" ); document.write( " |