A Sample of Oxygen Gas (O₂)was Found to Effuse at a Rate

question 172

Multiple Choice

A sample of oxygen gas (O₂) was found to effuse at a rate equal to three times that of an unknown gas.The molecular weight of the unknown gas is ________ g/mol.

• A)288
• B)96
• C)55
• D)4
• E)10.7

---

Definitions:

Test Scores

Numerical or grading assessments that reflect the performance of individuals on examinations or tests.

Boxplot

A standardized way of displaying the distribution of data based on a five-number summary: minimum, first quartile, median, third quartile, and maximum.

Standard Deviation

Standard deviation is a measure of the amount of variation or dispersion in a set of values, showing how much the values in a dataset differ from the mean.

Standard Deviation

A measure that indicates the amount of variation or dispersion from the average in a set of data.