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A 25.00 mL sample of an unknown HClO4 solution requires

Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro ISBN: 9780321809247 1

Solution for problem 87E Chapter 4

Chemistry: A Molecular Approach | 3rd Edition

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Chemistry: A Molecular Approach | 3rd Edition | ISBN: 9780321809247 | Authors: Nivaldo J. Tro

Chemistry: A Molecular Approach | 3rd Edition

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Problem 87E

A 25.00 mL sample of an unknown HClO4 solution requires titration with 22.62 mL of 0.2000 M NaOH to reach the equivalence point. What is the concentration of the unknown HClO4 solution? The neutralization reaction is

Step-by-Step Solution:
Step 1 of 3

Solution: Here, we are going to write the balanced chemical equation for the given reaction and find the precipitate that is formed. Also, we are going to identify the limiting reagent and calculate the mass of the precipitate formed. Step1: a) When a solution of 100.0 ml of 0.200 M KOH is mixed with a solution of 200.0 ml of 0.150 M NiS0 , po4ssium sulfate and nickel hydroxide are formed. The balanced chemical equation for the above reaction is given below: 2KOH(aq) + NiSO (aq) -------> Ni(OH) (aq) + K SO (aq) 4 2 2 4 Step2: b) From the guidelines of solubility, we can say that, out of the two products formed, i.e., Ni(OH) an2K SO 2Ni(4) is insol2le in water and will be precipitated. Thus the precipitate formed is Ni(OH) . 2 Step3: c) To identify the limiting reagent, we need to calculate the number of moles of both the reactants. Number of moles of KOH = Volume of solution in litres X Molarity = (100/1000 L) X 0.200 M = 0.100 L X 0.200 M = 0.02 mol. Number of moles of NiSO = Volume of solution in litres X Molarity 4 = (200/1000 L) X 0.150 M = 0.200 L X 0.150 M = 0.03...

Step 2 of 3

Chapter 4, Problem 87E is Solved
Step 3 of 3

Textbook: Chemistry: A Molecular Approach
Edition: 3
Author: Nivaldo J. Tro
ISBN: 9780321809247

The answer to “A 25.00 mL sample of an unknown HClO4 solution requires titration with 22.62 mL of 0.2000 M NaOH to reach the equivalence point. What is the concentration of the unknown HClO4 solution? The neutralization reaction is” is broken down into a number of easy to follow steps, and 36 words. Chemistry: A Molecular Approach was written by and is associated to the ISBN: 9780321809247. Since the solution to 87E from 4 chapter was answered, more than 571 students have viewed the full step-by-step answer. This textbook survival guide was created for the textbook: Chemistry: A Molecular Approach, edition: 3. The full step-by-step solution to problem: 87E from chapter: 4 was answered by , our top Chemistry solution expert on 02/22/17, 04:35PM. This full solution covers the following key subjects: solution, chemical, precipitate, Mixed, equation. This expansive textbook survival guide covers 82 chapters, and 9454 solutions.

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