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A solution prepared by dissolving 1.25g …

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A solution prepared by dissolving 1.25g of oil of winter green (methyl salicylate )in 99g of benzene has a boiling point of 80.31 determine the malar mass of this cimpound (B.P of pure benzene =80.10 and kb for benzene=2.53kg mol

Posted by Sagar Indora 6 years, 8 months ago

CBSE > Class 12 > Chemistry

4 answers

Aman Kumar 6 years, 8 months ago

Just kidding....nicely explained thanks??

∂Αяѕнαиαα ყα∂Αѵ ??? 6 years, 8 months ago

Teri shkl kyu bann gyi... ? ?... vese mess ho gaya... ?... maine tareeke se likha tha... ? ?

∂Αяѕнαиαα ყα∂Αѵ ??? 6 years, 8 months ago

hope u will understand... ??

∂Αяѕнαиαα ყα∂Αѵ ??? 6 years, 8 months ago

given ➡️ Tb=80.31°C, ➡️Tb° = 80.10°C,,, ➡️Kb =2.53°C kgmol^-1. ✴️ δT = Tb - Tb° =80.13°C - 80.10°C = 0.21 °C δTb =kb ×1000 ×w2 /M2 ×w1..._____(1) M2 =kb×1000 ×w2 /δTb ×w1.. =2.53×1000×1.25/0.21°C ×99. =152.11 ×10³ g/mol.

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