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The total pressure of a mixture of hydrogen, oxygen, and methane is 96.4 kPa. The partial pressures of hydrogen and oxygen are 13.5 kPa and 29.3 kPa respectively. What is the partial pressure of methane?
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The total pressure of a mixture of hydrogen, oxygen, and methane is 96.4 kPa. The partial pressures of hydrogen and oxygen are 13.5 kPa and 29.3 kPa respectively. What is the partial pressure of methane?

User Andrii Zarubin
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The total pressure of a mixture of gasses is equal to the sum of their partial pressures. Therefore, the pressure of methane:
Methane = 96.4 - 13.5 - 29.3
Methane = 53.6 kPa
User Absin
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