In a Chemical Reaction a and B Reacts to Become

question 21

Multiple Choice

In a chemical reaction A and B reacts to become E. C and D are the intermediaries of this reaction. The percent yields of the reaction are given below. What is the overall percent yield? A+B→C (Percent yield=70%)
C→D (Percent yield=90%)
D→E(Percent yield=50%)

• A) 210%
• B) 50%
• C) 90%
• D) 70%
• E) 31.5%

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Definitions:

Elephant Populations

The total number of elephants living in a specific geographic area or globally, which is monitored for conservation purposes.

Legal Trade

Trade activities that are conducted within the confines of the law.

Privately Owned

Owned by private individuals or corporations rather than by the government or public entities, often characterized by private decision-making and profit motivation.

Transaction Costs

Expenses incurred during the process of buying or selling a product or service, typically including taxes, communication charges, and other financial fees.