3.35 mol A and 2.00 mol B react to form 4.00 C

3.35 mol A and 2.00 mol B react to form 4.00 C

 

 

Consider the following reaction:

2A + B → 3C + D

3.35 mol A and 2.00 mol B react to form 4.00 C.

What is the percent yield of this reaction?

 

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A : B = 2 : 1 = 3.35 mol : ? mol

 

? = 3.35 / 2 = 1.675 mol B

---> B는 이만큼 있다, 남는다?

---> B = 과잉 반응물, A = 한계 반응물.

( 참고: 한계 반응물 https://ywpop.tistory.com/3318 )

 

 

 

A : C = 2 : 3 = 3.35 mol : ? mol

 

? = 3 × 3.35 / 2 = 5.025 mol C

 

 

 

% yield = (4.00 / 5.025) × 100

= 79.6%

( 참고: 수득률 https://ywpop.tistory.com/61 )

 

 

 

답: 79.6%