How Many Moles Are Contained in 5

question 61

Multiple Choice

How many moles are contained in 5.33 L of O₂ at standard temperature and pressure?

• A)5.33 mol of O₂
• B)1.00 mol of O₂
• C)0.238 mol of O₂
• D)22.4 mol of O₂
• E)4.20 mol of O₂

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Definitions:

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Outer membrane surrounding the embryo in mammals; when thickened by a layer of mesoderm, it becomes the chorion, an extraembryonic membrane.

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A medical test used to determine if a woman is pregnant, typically by detecting the presence of hCG hormone in urine or blood.

Blastocyst

Early stage of human embryonic development that consists of a hollow, fluid-filled ball of cells.

Human Embryo

The early stage of development in humans from the moment of conception until the end of the eighth week, when it is then referred to as a fetus.