1. AP Chemistry Practice Test

AP Chemistry Multiple Choice Practice Test

Question 1 of 3
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A mass of 12.0 g of calcium chloride is diluted to a volume of 250 mL in a volumetric flask. Which of the equations below is a correct method for determining the chloride ion concentration?
(12.0g CaCl2/250 mL)(1000mL/1L)(1 mole CaCl2/111.0 g)(1 mole CaCl2/2 mole Cl-)
(12.0g CaCl2/250 mL)(1L/1000mL)(1 mole CaCl2/111.0 g)(2 mole Cl-/1 mole CaCl2)
(12.0g CaCl2/250 mL)(1000mL/1L)(1 mole CaCl2/111.0 g)(2 mole Cl-/1 mole CaCl2)
(12.0g CaCl2/250 mL)(1000mL/1 L)(1 mole CaCl2/111.0 g)
(12.0g CaCl2/250 mL)(1L/1000mL)(1 mole CaCl2/111.0 g)(1 mole CaCl2/2 mole Cl-)