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A sample of methane gas collected at a pressure of 1.07 atm and a temperature of 19.0 °C is found to occupy a volume of 25.1 liters. How many moles of CH4 gas are in the sample? mol

A sample of methane gas collected at a pressure of 1.07 atm and a temperature of 19.0 °C is found to occupy a volume of 25.1 liters. How many moles of CH4 gas are in the sample? mol

Introductory Chemistry: A Foundation
Introductory Chemistry: A Foundation
9th Edition
ISBN:9781337399425
Author:Steven S. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Donald J. DeCoste
Chapter13: Gases
Section: Chapter Questions
Problem 157CP
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Use the References to access important values if needed for this question. A sample of methane gas collected at a pressure of 1.07 atm and a temperature of 19.0 °C is found to occupy a volume of 25.1 liters. How many moles of CH4 gas are in the sample? mol Submit Answer Retry Entire Group 9 more group attempts remaining
Transcribed Image Text:Use the References to access important values if needed for this question. A sample of methane gas collected at a pressure of 1.07 atm and a temperature of 19.0 °C is found to occupy a volume of 25.1 liters. How many moles of CH4 gas are in the sample? mol Submit Answer Retry Entire Group 9 more group attempts remaining
Expert Solution
Step 1

We use the ideal gas formula to calculate moles of CH4 gas 

PV = nRT

Where P = pressure of CH4 gas = 1.07 atm

T = temperature of CH4 gas = 19°C

To convert into kelvin temperature

(19+273.15)K = 292.15 K

V = Volume of gas = 25.1 L

R = gas constant= 0.08206 L *atm /mol*K

n = Moles of CH4 gas = ?

 

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