Solved: A 118-mL flask is evacuated, and its mass is measured as 97.129 g. When the

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

ISBN: 9780321910295 34

Solution for problem 102P Chapter 11

Introductory Chemistry | 5th Edition

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Problem 102P

PROBLEM 102P

A 118-mL flask is evacuated, and its mass is measured as 97.129 g. When the flask is filled with 768 torr of helium gas at 35 °C, it is found to have a mass of 97.171 g. Is the gas pure helium?

Step-by-Step Solution:

Solution 102P

Here, we are going to identify if the gas used in the above problem is pure helium.

Step 1:

From ideal gas equation, we have,

pV = nRT ----(1)

Where, p = pressure

V = volume of the gas

n = number of moles of the gas

R = universal gas constant and its value is 0.0821 L atm K-1 mol-1

T = temperature

Step 2 of 5

Chapter 11, Problem 102P is Solved

Step 3 of 5

Textbook: Introductory Chemistry

Edition: 5

Author: Nivaldo J Tro

ISBN: 9780321910295

This textbook survival guide was created for the textbook: Introductory Chemistry, edition: 5. Introductory Chemistry was written by and is associated to the ISBN: 9780321910295. Since the solution to 102P from 11 chapter was answered, more than 1155 students have viewed the full step-by-step answer. The full step-by-step solution to problem: 102P from chapter: 11 was answered by , our top Chemistry solution expert on 05/06/17, 06:45PM. This full solution covers the following key subjects: helium, mass, flask, gas, evacuated. This expansive textbook survival guide covers 19 chapters, and 2046 solutions. The answer to “A 118-mL flask is evacuated, and its mass is measured as 97.129 g. When the flask is filled with 768 torr of helium gas at 35 °C, it is found to have a mass of 97.171 g. Is the gas pure helium?” is broken down into a number of easy to follow steps, and 42 words.