document.write( "Question 1200803: Find the mole fraction of this given problem: a.An NH3
\n" ); document.write( " solution made up of 30.0 g of NH3 in 70.0 g of water.
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Algebra.Com's Answer #835047 by ikleyn(52784) $\"\"$ $\"About$

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\n" ); document.write( "Find the mole fraction of this given problem: a.An NH3
\n" ); document.write( "solution made up of 30.0 g of NH3 in 70.0 g of water.
\n" ); document.write( "The density of the solution is 0.982 g/mL.
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document.write( "    DEFINITION\r\n" );
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document.write( "        Mole fraction X is the ratio of moles of one substance in a mixture \r\n" );
document.write( "        to the total number of moles of all substances. \r\n" );
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document.write( "    https://www.google.com/search?q=mole+fraction&rlz=1C1CHBF_enUS910US910&oq=mole+fraction&aqs=chrome..69i57j0i131i433i512l2j0i512l7.2120j0j15&sourceid=chrome&ie=UTF-8\r\n" );
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document.write( "NH3 Molecular Weight  17.031\r\n" );
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document.write( "Number of moles in 30 g:    = 1.76149.\r\n" );
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document.write( "H2O Molecular Weight  18.01528\r\n" );
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document.write( "Number of moles in 70 g:    = 3.88559.\r\n" );
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document.write( "The mole fraction (the answer to the problem's question) is   = 0.31193 (rounded).\r\n" );
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\n" ); document.write( "\n" ); document.write( "Solved, answered and explained.\r
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\n" ); document.write( "\n" ); document.write( "The post-solution note: the given density of the solution 0.982 g/mL is EXCESSIVE, NON-NECESSARY and IRRELEVANT.\r
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