A student uses Dalton's Law to calculate the total pressure in a container but only considers the partial pressures of two gases, ignoring a third. What is the mistake?  

Ignoring one gas increases the accuracy of the calculation.

The total pressure is the sum of the partial pressures of all gases present, not just two.

Only two gases can contribute to total pressure.

Dalton's Law applies to individual gases, not mixtures.

Chemistry

College Board

Exam No：AP Chemistry Problem Set 2 Year：2024 Question No：APChemistry2024AP0084

Answer:

3.4 Ideal Gas Law

3.5 Kinetic Molecular Theory

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