7. Consider the following reaction: 2A + 3B → 2C + D 3.0 mol A and 2.0 mol B react to form 1.0 mol C. What is the percent yield of this reaction? (A) 33% (B) 67% (C) 75% (D) 100%

9. Which of the following statement is correct when 0.1 M of AgNO3(aq) and 0.1M of KI(aq) are mixed? (A) KNO3 will precipitate; Ag+ and I- will be spectator ions. (B) No precipitate will form (C) AgI will precipitate; K+ and I- will be spectator ions. (D) AgI will precipitate; K+ and NO3- will be spectator ions.