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jaelynallen:
The volume of a sample of hydrogen is 798 mL and it exerts 621 mm Hg pressure at 5.00ºC. What volume does it occupy at standard temperature and pressure?
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Mercury:
old question but will attempt so this can be closed P1V2/T1 = P2V2/T2 plug in all the values and solve for V2. remember that STP is 760 mmHg and 0 degrees celcius
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