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Solved: A solid sample of Zn(OH)2 is added to 0.350 L of

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

Solution for problem 104 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 104

A solid sample of Zn(OH)2 is added to 0.350 L of 0.500 M aqueous HBr. The solution that remains is still acidic. It is then titrated with 0.500 MNaOH solution, and it takes 88.5 ml of the NaOH solution to reach the equivalence point. What mass of Zn(OH)2 was added to the HBr solution?

Step-by-Step Solution:
Step 1 of 3

Solution: Here, we are going to calculate the mass of zinc hydroxide added to the hydrogen bromide solution Step1: Given, the volume of NaOH solution used = 88.5 mL = 88.5 / 1000 L = 0.0885 L The molarity of NaOH solution used = 0.500 M Therefore, number of moles of NaOH solution = Volume of solution in litres X Molarity = 0.0885 L X 0.500 M = 0.044 mol Step2: Again, the volume of HBr solution used = 0.350 L The molarity of HBr solution used = 0.500 M Therefore, number of moles of HBr solution = Volume of solution in litres X Molarity = 0.350 L X 0.500 M = 0.175 mol Since, 1 mole of NaOH will react with 1 mole of HBr for complete neutralisation(NaOH is monobasic), therefore, 0.044 mol of NaOH will react will 0.044 mol of HBr for neutralization. Thus,...

Step 2 of 3

Chapter 4, Problem 104 is Solved
Step 3 of 3

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

Chemistry: A Molecular Approach was written by and is associated to the ISBN: 9780321809247. This textbook survival guide was created for the textbook: Chemistry: A Molecular Approach, edition: 3. The full step-by-step solution to problem: 104 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, added, hbr, point, aqueous. This expansive textbook survival guide covers 82 chapters, and 9454 solutions. The answer to “A solid sample of Zn(OH)2 is added to 0.350 L of 0.500 M aqueous HBr. The solution that remains is still acidic. It is then titrated with 0.500 MNaOH solution, and it takes 88.5 ml of the NaOH solution to reach the equivalence point. What mass of Zn(OH)2 was added to the HBr solution?” is broken down into a number of easy to follow steps, and 54 words. Since the solution to 104 from 4 chapter was answered, more than 956 students have viewed the full step-by-step answer.

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