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Hydrogen gas can be prepared in the laboratory by a

Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro ISBN: 9780321910295 34

Solution for problem 87P Chapter 8

Introductory Chemistry | 5th Edition

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Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro

Introductory Chemistry | 5th Edition

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Problem 87P

PROBLEM 87P

Hydrogen gas can be prepared in the laboratory by a single-displacement reaction in which solid zinc reacts with hydrochloric acid. How much zinc in grams is required to make 14.5 g of hydrogen gas through this reaction?

Step-by-Step Solution:
Step 1 of 3

Solution 87P

Here, we are going to calculate the mass of Zinc to make hydrogen gas through the reaction.

Zn(s) + 2HCl(g) ------> ZnCl2(s) +H2(g)

Therefore

Molar mass of Zn  =65.39 g/mol

Molar mass of H2 =2 x1.008  g/mol = 2.016 g/mol

Thus,the conversion factors

g Zn(s)= mol Zn(s) = g H2(g)  = mol H2(g)

Thus the amount of Zinc required to produce 14.5 g hydrogen gas is

=  14.5 g of  H2(g) x x...

Step 2 of 3

Chapter 8, Problem 87P is Solved
Step 3 of 3

Textbook: Introductory Chemistry
Edition: 5
Author: Nivaldo J Tro
ISBN: 9780321910295

The answer to “Hydrogen gas can be prepared in the laboratory by a single-displacement reaction in which solid zinc reacts with hydrochloric acid. How much zinc in grams is required to make 14.5 g of hydrogen gas through this reaction?” is broken down into a number of easy to follow steps, and 37 words. This textbook survival guide was created for the textbook: Introductory Chemistry, edition: 5. The full step-by-step solution to problem: 87P from chapter: 8 was answered by , our top Chemistry solution expert on 05/06/17, 06:45PM. Since the solution to 87P from 8 chapter was answered, more than 398 students have viewed the full step-by-step answer. This full solution covers the following key subjects: zinc, reaction, gas, hydrogen, much. This expansive textbook survival guide covers 19 chapters, and 2045 solutions. Introductory Chemistry was written by and is associated to the ISBN: 9780321910295.

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