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일반화학/[15장] 화학 평형

평형에서의 농도. 0.00436 M CH3OH and 0.220 M H2

by 영원파란 2019. 5. 31.

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평형에서의 농도. 0.00436 M CH3OH and 0.220 M H2

 

 

At a certain temperature, the reaction

CO(g) + 2H2(g) ⇌ CH3OH(g) has Kc = 0.500.

If a reaction mixture at equilibrium contains 0.00436 M CH3OH and 0.220 M H2,

what is the equilibrium concentration of CO?

 

 

 

CO(g) + 2H2(g) ⇌ CH3OH(g)

 

Kc = [CH3OH] / [CO][H2]^2

( 참고 https://ywpop.tistory.com/7136 )

 

0.500 = (0.00436) / [(x) (0.220)^2]

 

x = (0.00436) / [(0.500) (0.220)^2]

= 0.180165

 

 

 

답: 0.180 M

 

 

 

 

[ 관련 글 https://ywpop.tistory.com/24665 ]

CO(g) + 2H2(g) ⇌ CH3OH(g) 평형 상수(Kc) 계산

 

 

 

[키워드] CO(g) + 2H2(g) ⇌ CH3OH(g) 평형 기준

 

 

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