Limiting Reagents and Stoichiometry
Chapter 4-12
	University of Arkansas at Little Rock Dr. Robert Belford and Casey Hawkins

---

Question 1 The molarity of Na3PO4 is 8.000x10-2M, and the molarity of BaCl2 is 1.000x10-1M. If you start with 25.00ml of Na3PO4 and 25.00ml of BaCl2, what is the limiting reagent? (A)  BaCl2 (B)  Na3PO4 (C)  NaCl2 (D)  None of the above   Hint Your response Not answered yet

Question 2 What is the mass of Ba3(PO4)2(s) after the reaction?(MW=601.93g/mol) (A)  0.5000g (B)  1.384x10-6g (C)  0.1672g (D)  None of the above   Hint Your response Not answered yet

Question 3 What is the concentration of Na+ after the reaction? (A)  0.1000M (B)  0.1200M (C)  0.5000M (D)  None of the above   Hint Your response Not answered yet

Question 4 What is the concentration of Cl- after the reaction? (A)  0.1200M (B)  0.1000M (C)  0.2000M (D)  None of the above   Hint Your response Not answered yet

Question 5 What is the concentration PO4-3 after the reaction? (A)  1.243M (B)  5.000M (C)  6.667x10-3M (D)  None of the above   Hint Your response Not answered yet