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Textbook Expert
Textbook ExpertVerified Tutor
9 Nov 2021

Given information

Given:

It is given that of solution is prepared by mixing urea in water , and the mole fraction is .

To Find:

Mass of the Urea

Step-by-step explanation

Step 1.

We know the total mass of the solution is

Also  

Here,

  •    
  •   is the number of moles of urea   
  • is mass of urea
  • is the molecular mass of urea 

Similarly, this is applicable for water as well. 

So we can write down as, 

 

.............(1)

Also mole fraction,

 

i.e,  

 ...........(2)

 

 

 

 

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