Multiple Choice
A buffer was prepared by adding 2.4 g of ammonium nitrate to 100.0 mL of 0.30 M ammonia (Kb = 1.8 × 10-5) . To this solution was then added 10.0 mL of 0.30 M sodium hydroxide, which caused a pH change of ________.
A) 3.0 pH units
B) 0.30 pH units
C) 0.90 pH units
D) 0.09 pH units
E) zero
Correct Answer:
Verified
Correct Answer:
Verified
Q19: Which of the following statements correctly describe
Q37: The color change range of most acid-base
Q87: Twenty-five milliliters of 0.10 M HCl is
Q88: In the neutralization of 50.0 mL of
Q89: How will addition of sodium chloride affect
Q90: Phenol red indicator changes from yellow to
Q91: Determine the [C<sub>2</sub>H<sub>3</sub>O<sub>2</sub><sup>-</sup>] of the following solution.
Q93: The Henderson-Hasselbach equation, used to calculate the
Q95: If 30.0 mmol HCl(g) is added to
Q96: What is the pH of a solution