Chapter 17 Review Questions
Chapter 17 Review Questions
Chapter 17 Review Questions
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8) The concentration of iodide ions in a saturated solution of lead (II) iodide is __________ M. The solubility<br />
product constant of PbI2 is 1.4 × 10-8.<br />
A) 3.8 × 10-4 B) 1.5 × 10-3 C) 3.0 × 10-3 D) 1.4 × 10-8 E) 3.5 × 10-9<br />
9) The solubility of manganese (II) hydroxide (Mn(OH)2) is 2.2 × 10-5 M. What is the Ksp of Mn(OH)2?<br />
A) 1.1 × 10-14 B) 4.8 × 10-10 C) 4.3 × 10-14 D) 2.2 × 10-5 E) 2.1 × 10-14<br />
10) Calculate the maximum concentration (in M) of silver ions (Ag + ) in a solution that contains 0.025 M of<br />
CO3 2- . The Ksp of Ag2CO3 is 8.1 × 10-12.<br />
A) 2.8 × 10-6 B) 3.2 × 10-10 C) 8.1 × 10-12 D) 1.8 × 10-5 E) 1.4 × 10-6<br />
11) What is the solubility (in M) of PbCl2 in a 0.15 M solution of HCl? The Ksp of PbCl2 is 1.6 × 10-5.<br />
A) 1.6 × 10-5 B) 2.0 × 10-3 C) 1.8 × 10-4 D) 7.1 × 10-4 E) 1.1 × 10-4<br />
12) The Ksp for Zn(OH)2 is 5.0 × 10-<strong>17</strong>. Determine the molar solubility of Zn(OH)2 in a buffer solution with a<br />
pH of 11.5.<br />
A) 1.2 × 10-12 B) 5.0 × 106 C) 1.6 × 10-14 D) 5.0 × 10-12 E) 5.0 × 10-<strong>17</strong><br />
13) Which one of the following pairs cannot be mixed together to form a buffer solution?<br />
A) H3PO4, KH2PO4<br />
B) NaC2H3O2, HCl (C2H3O2 - = acetate)<br />
C) RbOH, HBr<br />
D) KOH, HF<br />
E) NH3, NH4Cl<br />
14) What change will be caused by addition of a small amount of HCl to a solution containing fluoride ions<br />
and hydrogen fluoride?<br />
A) The fluoride ions will precipitate out of solution as its acid salt.<br />
B) The concentration of hydronium ions will increase significantly.<br />
C) The concentration of fluoride ion will decrease and the concentration of hydrogen fluoride will<br />
increase.<br />
D) The concentration of hydrogen fluoride will decrease and the concentration of fluoride ions will<br />
increase.<br />
E) The concentration of fluoride ions will increase as will the concentration of hydronium ions.<br />
15) Of the following solutions, which has the greatest buffering capacity?<br />
A) 0.100 M HF and 0.2<strong>17</strong> M NaF<br />
B) 0.821 M HF and 0.909 M NaF<br />
C) 0.821 M HF and 0.2<strong>17</strong> M NaF<br />
D) They are all buffer solutions and would all have the same capacity.<br />
E) 0.121 M HF and 0.667 M NaF<br />
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