An Ideal Gas Composed of a Mixture of Oxygen and Nitrogen

question 57

Multiple Choice

An ideal gas composed of a mixture of oxygen and nitrogen is at a pressure of 1.50 atmospheres and a temperature of 25.0 $^{\circ}$ C.What is the molar density?

• A) 79.3 moles/m³
• B) 61.3 moles/m³
• C) 55.5 moles/m³
• D) 47.6 moles/m³
• E) 40.0 moles/m³

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Definitions:

Molecular Ion Region

The part of a mass spectrum that shows the peaks corresponding to the molecular ions, providing information about the molecular weight of a compound.

Mass Spectrum

A graph or data set representing the distribution of ions by their mass-to-charge ratio, used to identify or quantify substances.

2-Hexanol

A secondary alcohol with the molecular formula C6H14O, characterized by an hydroxyl group attached to the second carbon of a six-carbon linear chain.

M/z Value

The mass-to-charge ratio, a critical parameter in mass spectrometry for identifying the molecular weight and structure of compounds.