1.

Partial pressure of a vessel containing Cl2 , CO2 and CO is the sum of the partial pressures of Cl2 , O2 and CO. 1. If so, is it correct to say partial pressure of a vessel containing NH3 and HCl gases is the sum of their partial pressures? Justify. 2. Which law helped you to answer this? 3. State the law.

Answer»

1. No. NH3 reacts with HCl to form NH4CI. Since they are not non-interacting gases, their sum of partial pressures may not be equal to the total pressure.

2. Dalton’s law of partial pressures.

3. It states that the total pressure exerted by the mixture of non-reactive gases is equal to the sum of the partial pressures of individual gases.



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