Author Question: The mole fraction of urea (MW = 60.0 g/mol) in a solution prepared by dissolving 16 g of urea in 39 ... (Read 149 times)

NClaborn · **on:** Aug 27, 2018

The mole fraction of urea (MW = 60.0 g/mol) in a solution prepared by dissolving 16 g of urea in 39 g of H2O is ________.

A) 0.58
B) 0.37
C) 0.13
D) 0.11
E) 9.1

Question 2

A complex of correctly written formula Pt(NH3)3BrBr H2O has which set of ligands in its inner coordination sphere?

A) 3 NH3
B) 3 NH3 and 2 Br-
C) 3 NH3 and 1 Br-
D) 3 NH3, 1 Br-, and 1 H2O
E) 3 NH3, 2 Br-, and 1 H2O