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In a cylinder of pressure 1 bar, there is the hydrogen of 20 grams and neon of 50 grams, what is a partial pressure of hydrogen?

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in Chemistry – Class 11 by (148k points)
In a cylinder of pressure 1 bar, there is the hydrogen of 20 grams and neon of 50 grams, what is a partial pressure of hydrogen?

(a) 0.2

(b) 0.8

(c) 0.4

(d) 0.6

I have been asked this question during an online exam.

I want to ask this question from States of Matter in portion States of Matter of Chemistry – Class 11

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The correct choice is (b) 0.8

For explanation: As we know that the partial pressure of a gas is the product of its mole fraction and the total pressure of the gases present,  so here the partial pressure of hydrogen is 10/10 + 2.5 = 0.8. Mole fraction is given by the number of moles of required as per the total number of the gas moles.

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