Chemical Principles
8th Edition
ISBN: 9781337247269
Author: Steven S. Zumdahl; Donald J. DeCoste
Publisher: Cengage Learning US
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Chapter 4, Problem 122CP
Consider an experiment in which two burets, Y and Z, aresimultaneously draining into a beaker that initially contained275.0 mL of 0.300 M HCl. Buret Y contains0.150 M NaOH and buret Z contains 0.250 M KOH. Thestoichiometric point in the titration is reached 60.65 minutesafter Y and Z were started simultaneously. The totalvolume in the beaker at the stoichiometric point is 655 mL.Calculate the flow rates of burets Y and Z. Assume theflow rates remain constant during the experiment.
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7.
The separate samples of nitric and acetic acids are both titrated with a 0.100 M solution of NaOH(aq).
(Y) 25.0mL of 1.0 M HNO3(aq) (Z) 25.0 mL of 1.0 M CH3COOH(aq)
Determine whether each of the following statements concerning this titration is true or false.
(A) A larger volume of NaOH(aq) is needed to reach the equivalence point in the titration of HNO3
(B) The pH at the equivalence point in the HNO3 titration will be lower than the pH at the equivalence point in the CH3COOH titration
(C) Phenolphthalein would be a suitable indicator for both titrations
Group of answer choices
a.) A) False B) True C) True
b.) A) False B) False C) True
c.) A) False B) True C) False
d.) A) True B)True C)True
The molar solubility of magnesium hydroxide in a 0.241 M magnesium nitrate solution is
M.
It is desired to neutralize a solution X that contains a mixture of potassium chromate and hydrochloric acid. Titration of 11.3 mL X with 0.104 M silver nitraterequired 78.6 mL of the latter. The resulting precipitate, containing a mixture of Ag2CrO4 and AgCl, was dried and found to weigh 1.250 g. How much 0.107 M sodium hydroxide should be used to neutralize 11.3 mL solution X?
Chapter 4 Solutions
Chemical Principles
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