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2 years ago

9

Air is about 78% nitrogen gas (N2) by mass. The molar mass of nitrogen gas is 28. 0 g/mol. A 100. 0-g sample of air contains how

many moles of nitrogen? 2. 8 3. 6 28 78.

1 answer:

andrezito [222]2 years ago

4 0

Answer:

fsadfd

Explanation:

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