Sample exercises (21) use Dalton's Law(23) use molar mix of gas mixture Exercise 21A 10 dm flask contains 0.200 mole of methane, 0.300 mole of hydrogen and 0.400 moleof nitrogen at 25°C. (a) What is the total pressure inside the flask? (b) What is thepartial pressure of each gas in the mixture?[Answer: 2.23 kPa; 0.495 kPa; 0.744 kPa; 0.992 kPa] Exercise 23A gas mixture is composed of 2.0 moles H2 and 1 mole N2. Calculate (a) the averagemolar mass of the gas mixture, and (b) the density of the gas mixture at 273.15 K and 1atm.[ Answer: 19.42; 0.866]

Excercise 21 :- Using Ideal gas equation., PV = nRT And, P = nRT/V 1 dm3 = 1 L 10 dm3 = 10 Litre…

Answered: Sample exercises (21) use Dalton's…

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Sample exercises (21) use Dalton's Law

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

Sample exercises

(21) use Dalton's Law

(23) use molar mix of gas mixture

Exercise 21
A 10 dm flask contains 0.200 mole of methane, 0.300 mole of hydrogen and 0.400 mole
of nitrogen at 25°C. (a) What is the total pressure inside the flask? (b) What is the
partial pressure of each gas in the mixture?
[Answer: 2.23 kPa; 0.495 kPa; 0.744 kPa; 0.992 kPa]

Exercise 23
A gas mixture is composed of 2.0 moles H2 and 1 mole N2. Calculate (a) the average
molar mass of the gas mixture, and (b) the density of the gas mixture at 273.15 K and 1
atm.
[ Answer: 19.42; 0.866]

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