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Nanda J.

asked • 03/05/18

A numerical on states of matter

At 27 degree centigrade a cylinder of 20 litres capacity contains three gases HE O2 N2 their masses are 0.502g 0.250g 1g respectively if all these gases behave ideally calculate partial pressures of each gas as well as total pressure..

1 Expert Answer

By:

Nanda J.

Sir thanks for your reply but in second line :-Moles O2 = 0.250 g x1 mol/32 g = 0.0078125 moles??
Correction sir please?
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03/05/18

Nanda J.

 
Sir thanks for the reply but in second line
 
Moles O2 = 0.250 g x1 mol/32 g = 0.0078125 moles?? Correction Sir?
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03/05/18

Nanda J.

Moles O2 = 0.250 g x1 mol/32 g = 0.00781 moles : -Correction*
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03/05/18

J.R. S.

tutor
Sorry. What’s the problem/question?
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03/05/18

Nanda J.

Sir in second line of your answer you have written 
 
Moles O2 = 0.250 g x1 mol/32 g = 0.00681 moles
 
But sir 0.250/32 is 0.00781 and not 0.00681..
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03/05/18

J.R. S.

tutor
You are correct. A typo error on my part. 
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03/05/18

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