A Mass of 8

question 30

Multiple Choice

A mass of 8.15 g C₂H₄(g) reacts with excess oxygen.If 16.2 g CO₂(g) is collected,what is the percent yield of the reaction?
C₂H₄(g) + 3O₂(g) → 2CO₂(g) + 2H₂O(g)

• A) 25.6%
• B) 31.7%
• C) 41.0%
• D) 57.1%
• E) 63.3%

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Definitions:

Sampled Population

The subset of individuals chosen from a larger population for the purpose of conducting a study or experiment.

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Individuals who have officially enrolled on an electoral roll, enabling them to participate in elections.

Missoula, Montana

A city in the U.S. state of Montana, known for its natural beauty and as the home to the University of Montana.

Cluster Samples

A sampling technique where the population is divided into groups, or clusters, and a sample of these clusters is selected for study.