Question :
61. Silver nitrate, AgNO3, can be used to test for : 1335510
61. Silver nitrate, AgNO3, can be used to test for the presence of chloride ions in solution, because it readily forms a precipitate of AgCl. What volume of 1.5 M AgNO3 will be required to react with 30.0 mL of a 0.45 M HCl solution?
AgNO3(aq) + HCl(aq) ? AgCl(s) + HNO3(aq)
A) 45 mL B) 9.0 mL C) 9.0 L D) 1.0 L E) 1.1 ? 102 mL
62. How many moles of potassium iodide, KI, are required to precipitate all of the lead(II) ion from 50.0 mL of a 1.2 M Pb(NO3)2 solution? (First, write a balanced equation for the reaction.)
A) 0.12 mole B) 0.060 mole C) 0.24 mole D) 0.030 mole E) 0.048 mole
63. How many moles of potassium iodide, KI, are required to precipitate all of the lead(II) ion from 25.0 mL of a 1.6 M Pb(NO3)2 solution? (First, write a balanced equation for the reaction.)
A) 0.040 mole B) 0.080 mole C) 0.020 mole D) 64 mol E) 0.64 mol
64. What volume of 0.1243 M KOH is required to neutralize 25.00 mL of 0.1540 M H2SO4? (First, write a balanced equation for the reaction.)
A) 10.09 mL B) 30.97 mL C) 61.95 mL D) 20.18 mL E) 40.36 mL
65. What volume of 0.1452 M KOH is required to neutralize 25.00 mL of 0.1020 M H2SO4? (First, write a balanced equation for the reaction.)
A) 17.79 mL B) 17.56 mL C) 8.781 mL D) 35.12 mL E) 71.18 mL
66. When a 25.00 mL sample of H2SO4 is titrated with 0.2453 M NaOH, 32.47 mL of NaOH solution is required to neutralize the H2SO4. What is the molarity of the H2SO4?
A) 0.3186 M B) 0.1889 M C) 0.3777 M D) 3.309 M E) 0.1593 M
67. When a 25.00 mL sample of H2SO4 is titrated with 0.3423 M NaOH, 26.67 mL of NaOH solution is required to neutralize the H2SO4. What is the molarity of the H2SO4?
A) 0.3652 M B) 0.3209 M C) 0.1604 M D) 0.1826 M E) 0.1988 M
68. When a 25.00 mL sample of NaOH is titrated with 0.4523 M H2SO4, 36.69 mL of H2SO4 solution is required to neutralize the NaOH. What is the molarity of the NaOH?
A) 0.3319 M B) 0.6638 M C) 1.328 M D) 0.6164 M E) 0.1988 M
69. When a 25.00 mL sample of NaOH is titrated with 0.2523 M H2SO4, 26.69 mL of H2SO4 solution is required to neutralize the NaOH. What is the molarity of the NaOH?
A) 0.1347 M B) 0.4726 M C) 0.5387 M D) 0.2694 M E) 0.2363 M
70. Consider two aqueous glucose solutions of different concentrations, separated by a semi-permeable membrane. Which of the following best describes the process of osmosis at the molecular level?
A)The smaller water molecules move in a net direction from the more dilute side to the more concentrated side.
B)The smaller water molecules move in a net direction from the more concentrated side to the more dilute side.
C)The larger glucose particles move in a net direction from the more dilute side to the more concentrated side.
D)The larger glucose particles move in a net direction from the more concentrated side to the more dilute side.
E)Osmosis will not occur.
