Which of the following has 14 atoms per formula unit? A) ...

[MirandaLo]

Which of the following has 14 atoms per formula unit?
 
  A) (NH4)2SO3
  B) Al(ClO4)3
  C) Pb(CrO4)2
  D) Mg3(PO4)2

Question 2

Adding iron(III) chloride will ________.
 
  FeCl3 (aq) + KSCN (aq) = 3Fe(SCN)6 (aq) + 3KCl (aq)
   yellow colorless red colorless
  A) turn the solution more red.
  B) turn the solution less red.
  C) turn the solution clear.
  D) have no effect on the color.

Question 3

A liter of solid carbon and a liter of oxygen gas at the same temperature and pressure react to produce carbon dioxide. Using the law of combining volumes, how many liters of carbon dioxide will be produced?
 
  A) 1
  B) 2
  C) 3
  D) The law of combining volumes applies only to reactions involving all gases.

[katieost]

Answer to Question 1

A

Answer to Question 2

A

Answer to Question 3

D

[MirandaLo]

Excellent

[sultansheikh]

Wow, this really help