Chemistry: Principles and Reactions
Chemistry: Principles and Reactions
8th Edition
ISBN: 9781305079373
Author: William L. Masterton, Cecile N. Hurley
Publisher: Cengage Learning
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Chapter 20, Problem 42QAP

Rust, which you can take to be Fe(OH)3, can be dissolved by treating it with oxalic acid. An acid-base reaction occurs, and a complex ion is formed.
(a) Write a balanced equation for the reaction.
(b) What volume of 0.10 M H2C2O4 would be required to remove a rust stain weighing 1.0 g?

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Rust, which you can take to be Fe(OH)3 can be dissolved by treating it with oxalic acid H2C2O4. An acid –base reaction occur and a complex ion is formed.  Write a balance equation for the reaction.  What volume of 0.10 M H2C2O4 would be required to removed the rust stain weighing 0 grams ?
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
A chemist is performing a titration in order to determine the amount of sodium hydroxide, NaOH(aq), in 125 mL of an aqueous solution. (a) If 28 mL of a 0.13 M HCl solution was used as a titrant to reach the equivalence point, what was the concentration of sodium hydroxide in the initial solution? M (b) What was the initial pH of the sodium hydroxide solution?

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Chemistry: Principles and Reactions

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General Chemistry | Acids & Bases; Author: Ninja Nerd;https://www.youtube.com/watch?v=AOr_5tbgfQ0;License: Standard YouTube License, CC-BY