A solution is prepared by dissolving 23.7 g of CaCl2 in 375 g of ...

[Brittanyd9008]

A solution is prepared by dissolving 23.7 g of CaCl2 in 375 g of water. The density of the resulting solution is 1.05 g/mL. The concentration of CaCl2 in this solution is ________ molar.
 
  A) 0.564
  B) 0.571
  C) 0.569
  D) 0.537
  E) 0.214

Question 2

Which one of the following species is a potential polydentate ligand (chelating agent)?
 
  A) NH3
  B) Cl-
  C) CN-
  D) H2O
  E) C2O42-

[kardosa007]

Answer to Question 1

A

Answer to Question 2

E