Question

160 ml of a gas is collected over water at 25 degree Celsius and 745 mm of HG if aqueous tension at 25° celsius is 23.8 mm of HG then the pressure of dry gas at 25° Celsius ​

Answer 1

Answer: The pressure of dry gas at 25° Celsius ​= 721.5 mm of Hg

Explanation:

• Using principal of Dalton's Law Of Partial Pressure.                       According to which the total pressure exerted by a mixture of gases is equal to the sum of the partial pressures of the gases in the mixture.

                            P(dry gas) = P(moist gas)- Aqueous tension

• Applying formula on given question                          

                       P(moist gas)=745 mm of Hg                

                       Aqueous tension = 23.8 mm of Hg

                 P(dry gas) = 745 mm of Hg - 23.8 mm og Hg

                 P(dry gas) = 721.5 mm of Hg

                 

Answer 2

Answer:

203.79

Explanation:

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