Calculate the pressure of dry O2 if the total pressure of O2 generated over water is measured to be 698 Torr and the temperature is 30.1 oC. P(H2O) = 19.8 torr. If the volume of the O2 sample in the question above was 56.3 ml, what volume would the dry O2 occupy at 755 torr (assume the temp was unchanged).

Explanation:

From the question we are told that:

Pressure over Water

Temperature  

Pressure of Water  

Volume of O2  

Pressure of Dry O2  

Generally the equation for Total Pressure is mathematically given by

Therefore

Generally the equation for Ideal gas is mathematically given by

Therefore

Hence,The  volume would the dry O2 occupy at 755 torr

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