In a Mixture of Hydrogen and Helium Gases, the Mole

question 161

Multiple Choice

In a mixture of hydrogen and helium gases, the mole fraction of helium is 0.750. If the partial pressure of hydrogen in the mixture is 75 torr, what is the total pressure of the mixture?

• A)100 torr
• B)300 torr
• C)19 torr
• D)750 torr
• E)760 torr

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Definitions:

Acromial

Pertaining to the acromion, an anatomical feature of the scapula (shoulder blade) contributing to the shoulder's bony structure.

Shoulder

A part of the body where the arm is joined to the torso, consisting of several joints and muscles that allow for a wide range of movement.

Sternal

Relating to the sternum, which is the long, flat bone located in the center of the chest, connecting to the ribs via cartilage and helping to protect the heart, lungs, and major vessels.

Serous Membranes

are thin layers of tissue that cover internal organs and body cavities, secreting a fluid that lubricates and reduces friction.