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  3. the boiling point of ethanol ch3ch2oh is 78.50°

The boiling point of ethanol CH3CH2OH is 78.50°C at 1 atmosphere. A nonvolatile, nonelectrolyte that dissolves in ethanol...

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Chemistry

The boiling point of ethanolCH3CH2OH is78.50°C at 1 atmosphere. A nonvolatile,nonelectrolyte that dissolves in ethanol isestrogen (estradiol).  

How many grams of estrogen,C18H24O2(272.4 g/mol), must be dissolved in265.0 grams of ethanol to raisethe boiling point by 0.500 °C ? Refer to the tablefor the necessary boiling or freezing point constant.

SolventFormulaKb (°C/m)Kf (°C/m)
WaterH2O0.5121.86
EthanolCH3CH2OH1.221.99
ChloroformCHCl33.67
BenzeneC6H62.535.12
DiethyletherCH3CH2OCH2CH32.02

g estrogen.


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