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A sample of hydrogen gas is found to be 8.50 L at a temperature of 38.0 C and a pressure of 725mm Hg. Find the volume at STP. If someone could just explain to me how to solve this, please. I don't understand
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A sample of hydrogen gas is found to be 8.50 L at a temperature of 38.0 C and a pressure of 725mm Hg. Find the volume at STP.

If someone could just explain to me how to solve this, please. I don't understand it at all.

User Ramon Medeiros
by
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1 Answer

4 votes
Temp must be Kelvin
38 C = 311.15 K
Volume at STP = 8.50 liters * (273.15 / 311.15) * (725 / 760) =
7.1182746306 Liters

The formula to use is:

Volume at STP = Present Volume * (273.15 / Present Temp °K) * (Present Pressure (Torr) / 760)

User Komal Bansal
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7.1k points
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