Question

Two successive reactions, A + B and B → C, have yields of 90% and 80%, respectively. What is the
overall percentage yield for conversion of A to C?​

Answer 1

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Explanation:

ANSWER

A→B90%

100 hm90 gm,

B→C80%

90 gm  

100

80

​  

×90%

A→Cover all reaction

100  

100

80

​  

×90

=72%

Answer 2

A→B90%

100 hm90 gm,

B→C80%

90 gm

100

80

×90%

A→Cover all reaction

100

100

80

×90

=72%

Answer option C