Homework Help: chemistry

Posted by amy on Sunday, January 29, 2012 at 5:58pm.

Find the mass of urea needed to prepare 51.7 of a solution in water in which the mole fraction of urea is 7.80×10−2.

chemistry - DrBob222, Sunday, January 29, 2012 at 8:21pm
I worked this for you. As far as I can tell you never looked at the answer.

Related Questions

chemistry - Find the mass of urea needed to prepare 51.7 g of a solution in ...
chemistry - Find the mass of urea needed to prepare 50.1 of a solution in water ...
chemistry - the mole fraction of urea (molar mass = 60g/mole) in a solution ...
chemisrty - Q4) Suppose you prepare 950 mL of a solution by dissolving 100 grams...
chemistry - A 2.30 m solution of urea (CO(NH2)2; FW= 60.0) in water has a ...
Chemistry - A 2.30 m solution of urea (CO(NH2)2; FW= 60.0) in water has a ...
Chemistry - A 2.30 m solution of urea (CO(NH2)2; FW= 60.0) in water has a ...
chemistry - How many grams of Urea would you have to dissolve in 500ml of H2O in...
Chemistry - An aqueous solution contains 2.0 % NaCl by mass. (1) Calculate the ...
chemistry - describe how you would prepare from the specified stock solution: ...

For Further Reading

First Name:
School Subject:
Answer: