oxygen + oxides Flashcards

1
Q

how much nitrogen is in the air

A

78%

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2
Q

how much oxygen is in the air

A

21%

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3
Q

how much argon is in the air

A

0.96

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4
Q

how much carbon dioxide is in the air

A

0.04%

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5
Q

how to measure percentage of oxygen in air

A

by reacting with another element
then taking initial volume of air away from final

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