AP QUIZZES - AP TOPIC 4 Stoichiometry SET A

• AP Quizzes - AP TOPIC 4 Stoichiometry SET A.

QUESTION 1. What mass of Magnesium chloride must be dissolved in 200. mL of water to produce a 5.00 M solution?

(A) 95.0 g
(B) 47.5 g
(C) 190. g
(D) 200. g
(E) 5.00 g

QUESTION 2. If 12.35 g of Copper (II) Carbonate are reacted with 20.00 mL of 0.2000 M HCl, to produce 0.06600 g of carbon dioxide .02700 g of water and some other mass of copper (II) chloride, which is the limiting reagent?

(A) Hydrochloric Acid
(B) Copper (II) Chloride
(C) Copper (II) Carbonate
(D) Water
(E) Carbon Dioxide

QUESTION 3. If 12.35 g of Copper (II) Carbonate are reacted with 20.00 mL of 0.2000 M HCl, to produce 0.06600 g of carbon dioxide .02700 g of water and some other mass of copper (II) chloride, how many moles, and of which reagent, are left over after the reaction?

(A) 0.098 moles of Copper (II) Carbonate
(B) 0.100 moles of Copper (II) Carbonate
(C) 0.002 moles of HCl
(D) 0.004 moles of HCl
(E) None of the Above

QUESTION 4. If 12.35 g of Copper (II) Carbonate are reacted with 20.00 mL of 0.2000 M HCl, to produce 0.06600 g of carbon dioxide 0.02700 g of water and some other mass of copper (II) chloride, what is the % yield?

(A) 20 %
(B) 30 %
(C) 50 %
(D) 75 %
(E) 100 %

QUESTION 5. When the following chemical equation is balanced using the lowest possible integers, what is the total of the sum of the coefficients?

H3PO4 + Ba(OH)2 ==> Ba3(PO4)2 + H2O?

(A) 2
(B) 3
(C) 4
(D) 12
(E) None of the Above