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The osmotic pressure of 5% aqueous soln of sugar (mol mass 342) at 15 degree Celsius is? 

Asked by Sri.prabhavani 15th March 2019, 12:31 AM
Answered by Expert
Answer:
Mass of solution =100 g
 
Density, d = 1 g/ml
 
Volume of solution = 100 ml
 
                            = 0.1 litre
Moles space of space sugar space equals space 5 over 342 space space

space space space space space space space space space space space space space space space space space space space space space space space space equals space 0.146 space mol
 
Osmotic pressure = CRT
 
 
 Osmotic space pressure space equals space nRT over straight V

space space space space space space space space space space space space space space space space space space space space space space space space space space space equals space fraction numerator 0.0146 cross times 0.08206 cross times 288 over denominator 0.1 end fraction

space space space space space space space space space space space space space space space space space space space space space space space space space space space space equals space 3.45 space atm
 
Osmotic pressure is 3.45 atm.
 
Answered by Expert 15th March 2019, 10:41 AM
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