Everyday Science
NULL
Medium
Question
The density of dry air at STP is about __________?
A
0.225 kg/m3
B
1.025 kg/m3
C
1.225 kg/m3
✓ Official correct answer
D
1.425 kg/m3
Community credibility
Registered members can vote for the answer they believe is correct today and explain why. If the facts change after an election or news event, suggest a new option so others can vote it up.
A
0.225 kg/m3
No member explanations yet for this option.
B
1.025 kg/m3
No member explanations yet for this option.
C
1.225 kg/m3
No member explanations yet for this option.
D
1.425 kg/m3
No member explanations yet for this option.
Explanation
Air density is often taken as about 1.225 kg/m³.
So the correct answer is 1.225 kg/m3.
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