Molecular orbitals extending over more than two atoms provide an ...

[acc299]

Molecular orbitals extending over more than two atoms provide an explanation for
 
  A) coordinate covalent bonding.
  B) ionic bonding.
  C) paramagnetism.
  D) resonance.

Question 2

A 0.200 M K2SO4 solution is produced by ________.
 
  A) dilution of 250.0 mL of 1.00 M K2SO4 to 1.00 L
  B) dissolving 43.6 g of K2SO4 in water and diluting to a total volume of 250.0 mL
  C) diluting 20.0 mL of 5.00 M K2SO4 solution to 500.0 mL
  D) dissolving 20.2 g of K2SO4 in water and diluting to 250.0 mL, then diluting 25.0 mL of this solution to a total volume of 500.0 mL
  E) dilution of 1.00 mL of 250 M K2SO3 to 1.00 L

[ErinKing]

Answer to Question 1

D

Answer to Question 2

C

[acc299]

Thanks for the timely response, appreciate it

[shewald78]

Excellent