# chemistry

This is another question on my chemistry worksheet.

What is a gas's molecular mass?

I guess they want the definition because there are no numbers involved.

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1. What gas? what temperature? what pressure?

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2. it doesn't give any of those. it is a short answer question and the only thing it says is what is a gas's molecular mass?

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3. The molar mass of a gas is the mass of 22.4 liters of the gas at STP.

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