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Samples of the Gases O2, N2, Co2 and Co Under the Same Conditions of Temperature and Pressure Contain the Same Number of Molecules Represented by X. - Chemistry


Samples of the gases O2, N2, CO2 and CO under the same conditions of temperature and pressure contain the same number of molecules represented by X. The molecules of Oxygen, occupy V litres and have a mass of 8 g. Under the same conditions of temperature and pressure :
What is the mass of CO2 in g?

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X molecules of O2 = 8/32 = 1/4 mole of O2
So, X molecules of CO2 = 1/4 molecule of CO2
So, Mass of CO2 present in the sample = 1/4 x gram molecular mass of CO2
= 1/4 x 44 = 11g

Concept: Relationship Between Vapour Density and Relative Molecular Mass
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Frank ICSE Class 10 Chemistry Part 2
Chapter 5 Mole Concept And Stoichiometry
Exercise | Q 8.2 | Page 119
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