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Grade: 12
        
On dissolving 10.8g of glucose in 240g of water,it's boiling increases by 0.13C
Calculate .molal elevation constant for water
one year ago

Answers : (1)

Arun
24470 Points
							
 

\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

one year ago
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