
Concept explainers
(a)
Interpretation : The partial pressure of the oxygen gas needs to be determined.
Concept Introduction : The ideal gas equation helps to calculate the pressure, volume, temperature of ideal gas as follows:
If a gas is collected over water, the total pressure always represents the sum of gas pressure and vapour pressure of water.
Hence;
Gas pressure = Total pressure - vapour pressure
(b)
Interpretation : The number of moles oxygen gas produced needs to be calculated.
Concept Introduction : The ideal gas equation helps to calculate the pressure, volume, temperature of ideal gas as follows:
If a gas is collected over water, the total pressure always represents the sum of gas pressure and vapour pressure of water.
Hence;
Gas pressure = Total pressure - vapour pressure

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Chapter 11 Solutions
Basic Chemistry
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