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Author Question: The concentration of urea (MW = 60.0 g/mol) in a solution prepared by dissolving 16 g of urea in 39 ... (Read 92 times)

ec501234

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  • Posts: 573
on: Aug 27, 2018
The concentration of urea (MW = 60.0 g/mol) in a solution prepared by dissolving 16 g of urea in 39 g of H2O is ________ molal.
 
  A) 96
  B) 6.8
  C) 0.68
  D) 6.3
  E) 0.11

Question 2

One mole of which gas has the greatest density at STP?
 
  A) Ar
  B) N2
  C) CO
  D) All three gases have the same density.


karlss

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  • Posts: 321
Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

A


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