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about 20%, some say 21%

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11y ago
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5mo ago

Approximately 21% of Earth's atmosphere is composed of oxygen.

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Q: What percentage of our atomphear is oxygen?
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What is the percentage of oxygen in sucrose?

The percentage of oxygen in sucrose is 51,41549 %.


What is the percentage composition of oxygen in C7H15NO3?

The percentage of oxygen (in mass) is 29,776 %.


What is the percentage of oxygen by mass in water?

The percentage of oxygen by mass in water is approximately 88.8%.


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What is the percentage of the oxygen?

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The percentage of oxygen near the ground is approximately 21% in normal atmospheric conditions.


What is the percentage of pure air composed of oxygen?

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What percentage of the air around us is oxygen?

The percentage of oxygen in the atmosphere is 20.75%. The atmosphere has many other elements that we breathe in besides oxygen. Oxygen needs to be present for life on earth.


What is saturated percentage of oxygen?

The saturated percentage of oxygen refers to the maximum amount of oxygen that can dissolve in a liquid, typically water or blood. It is usually expressed as a percentage, indicating the saturation level of oxygen at a given temperature and pressure. In the human body, oxygen saturation levels in the blood are typically measured using a pulse oximeter and are considered normal when they are around 95-100%.


What the oxygen percentade composition in air?

oxygen percentage in air is 20%


What is the maximum oxygen percentage at air?

Room air is about 21% oxygen.


What percentage of oxygen is in inspired air?

About 21% of inspired air is oxygen.