Help with chemistry ASAP

Started by Magda1784, April 26, 2009, 07:02:15 PM

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At 25 oC, the density of 50% by mass of C2H5OH+H2O solution is 0.915gm cm-3. Given the partial mollar volume of water in the solution is 17.4cm3 mol-1, what is the parial molar volume of ethanol?

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Magda1784

April 26, 2009, 07:02:15 PM
 At 25 oC, the density of 50% by mass of C2H5OH+H2O solution is 0.915gm cm-3. Given the partial mollar volume of water in the solution is 17.4cm3 mol-1, what is the parial molar volume of ethanol?

  a. 56cm3 mol-1  
 b. 55cm3 mol-1  
 c. 57cm3 mol-1  
 d. 54cm3 mol-1  
 e. 56.4cm3 mol-1  

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