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DaniilM [7]
3 years ago
6

A 250mL sample of air at STP contains approximately 52.5mL of O2. What is the percentage of oxygen in the air

Chemistry
1 answer:
RSB [31]3 years ago
4 0
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What can be explained by the Arrhenius theory?
vekshin1
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What type of energy is stored in the earths crust and produces earthquakes
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3 years ago
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Why can a liquid change to take the shape of its container but NOT expand to fill the container itself?
tiny-mole [99]

Answer: Option (C) is the correct answer.

Explanation:

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