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On dissolving 10.8g of glucose in 240g of water,it's boiling increases by 0.13C Calculate .molal elevation constant for water

On dissolving 10.8g of glucose in 240g of water,it's boiling increases by 0.13C
Calculate .molal elevation constant for water

Grade:12

1 Answers

Arun
25750 Points
5 years ago
 

\DeltaT = 100K'×w/W×m   

 or K' = \DeltaT×W×m/100×w   

Given, \DeltaT =0.13oC, W = 240 g, m = 180 and 2 = 10.8 g   

K' = 0.13×240×180/100×10.8 = 5.2 oC

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