- Calculate the molality of a solut...
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- Calculate the molality of a solution of ethanol in water in which the molefraction of ethanol is 0.040. 52

NEET/Medical Exams
Chemistry
Solution
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Molefraction ( =x_{A}left(E+h a n_{0}right)=0.04 ; x_{B}(text { to ater }) equiv 1-0.04 ) Molality ( =frac{n_{A}}{w_{B}}=frac{n_{A} times 1000}{n_{B} m_{B}}=left(frac{n_{A}}{n_{B}}right) times frac{1000}{18}=frac{x_{A}}{x_{B}} times frac{1000}{18}=2 cdot 3148 )
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