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일반화학/[10장] 기체

5.00% HCl 1.00% H2 94% Ne 210℃ 49.0 L 13800 kPa

by 영원파란 2022. 5. 31.

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5.00% HCl 1.00% H2 94% Ne 210℃ 49.0 L 13800 kPa

 

 

A gas mixture for use in some lasers contains

5.00% by weight HCl, 1.00% H2, and 94% Ne.

The mixture is sold in cylinders that have a volume of 49.0 L

and a pressure of 13,800 kPa at 210℃.

What is the partial pressure in kPa of each gas in the mixture?

 

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기체 혼합물의 양 = 100 g 이라 가정하면,

질량% = 질량(g)

( 참고 https://ywpop.tistory.com/10963 )

 

 

 

각 성분들의 몰수를 계산하면,

> 5.00 g / (36.46 g/mol) = 0.137 mol HCl

( 참고 https://ywpop.tistory.com/7738 )

 

> 1.00 / 2.016 = 0.496 mol H2

> 94 / 20.18 = 4.658 mol Ne

 

 

 

전체 몰수를 계산하면,

0.137 + 0.496 + 4.658 = 5.291 mol

 

 

 

P_a = X_a × P_tot

( 참고 https://ywpop.tistory.com/48 )

 

 

 

각 성분들의 분압을 계산하면,

> (0.137 / 5.291) × 13800 = 357 kPa HCl

> (0.496 / 5.291) × 13800 = 1294 kPa H2

> (4.658 / 5.291) × 13800 = 12149 kPa Ne

 

 

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