Question
Asked Nov 10, 2019
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A 2.00 L sample of O2 was collected over water at a total pressure of 785 mmHg and 298K. The vapor pressure of water is 23.8 mmHg at 298 K.

How many grams of O2 are in the sample?

 

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Expert Answer

Step 1

Calculation of partial pressure of O2:

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+P P ygen Wate Р. exygenPr-P Water = 785-23.8 Posen 761.2mm Hg latm = 1.001atm 761.2mm Hg x 760 mm Hg

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Step 2

Calculation of the number of moles of o...

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