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03-02-2008, 12:01 PM
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| College Chemistry 2 question? What is the mole fraction of 1.98m Fe(NO3)3(aq)? The molar mass of Fe(NO3)3 is 241.9g/mol and the molar mass of water is 18.02g/mol.      |
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03-02-2008, 12:01 PM
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| 1.98 molal Fe(NO3)3 = 1.98 moles Fe(NO3)3 plus 1000 g H2O 1000 g H2O = 55.50 moles H2O 1.98 moles / (55.50 + 1.98) = 0.0344 mole fraction of F3(NO3)3 = 0.0344 |
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