Chemistry Question

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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Dalton's law states that "the total pressure of a mixture of non reacting gases in a system is the sum of their partial pressure". 

That is,

PTotal = P1 + P2 + P3 + ... + Pn

Given data:

Partial pressure of H2 gas = 427.0 Torr,

Partial pressure of N2 gas = 350.7 Torr,

Partial pressure of Ar gas = 92.9 Torr.

Therefore total pressure is calculated as,

PTotal = PH2 (g) + PN2 (g) + PAr (g)

         = (427.0 + 350.7 + 92.9) Torr

         = 870.6 Torr

Therefore the total pressure is 870.6 Torr.

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