Methane Gas,CH₄,effuses Through a Barrier at a Rate of 0

question 11

Multiple Choice

Methane gas,CH₄,effuses through a barrier at a rate of 0.568 mL/minute.If an unknown gas effuses through the same barrier at a rate of 0.343 mL/minute,what is the molar mass of the gas?

• A) 20.8 g/mol
• B) 28.0 g/mol
• C) 32.0 g/mol
• D) 43.9 g/mol
• E) 64.0 g/mol

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Definitions:

Mean

The arithmetic average of a set of numbers, found by dividing the sum of these numbers by the count of the numbers in the set.

Function

A relationship between a set of inputs and a set of permissible outputs, where each input is related to exactly one output.

Probability

The measure of the likelihood that an event will occur.

Function

A mathematical relation between a set of inputs and a set of permissible outputs with the property that each input is related to exactly one output.