Which of the following indicates the mathematical expressions for Dalton's law of partial pressures
a) Partial pressure = $\frac{The component gas volume}{Total volume}$ x Total pressure
b) Partial pressure = mole fraction of component gas × Total pressure
c) Partial pressure = Partial volume × Total pressure
d) Partial pressure = No. of moles of component gas × Total pressure

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a, d

a, b, c

b, c

c, d

answer is D.

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Detailed Solution

the total pressure by a mixture of gases is equal to the sum of the partial pressures of each of the constituent gases. The partial pressure is defined as the pressure each gas would exert if it alone occupied the volume of the mixture at the same temperature.

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