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Joe Schmoe mixed peroxide with yeast to generate oxygen gas and collected the gas in a graduated cylinder, using the same set up as was used in Experiment 11. He collected the following data:

Water vapor pressure at 25°C: 23.8 mmHg
Barometric pressure at 25°C: 756.0 mmHg
Composition of air: 79% N2, 20% O2, 1% Other.
What is the pressure of O2 collected inside the graduated cylinder?
Answer
A.
578.4 mmHg
B.
151.2 mmHg
C.
732.2 mmHg
D.
146.4 mmHg
E.
597.2 mmHg

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