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The pressure for a mixture of gases neon and dioxgen in a cylinder is 25bar. Calculate the partial pressure of O2 and Ne if 70.6gms of O2 and 167.5 gms of Ne are present in the mixture.

Asked by HIMANSHI SHARMA 11th October 2013, 8:35 PM
Answered by Expert
Answer:

Solution:

Number of moles of dioxygen = 70.6g           = 2.21 mol

                                              32gmol-1

Number of moles of neon = 167.5g       = 8.375 mol

                                        20gmol-1

 

Mole fraction of dioxygen =   2.21              =     0.21                        

                                          (2.21 +8.375)

Mole fraction of neon = 1 0.21 = 0.79

Partial pressure of gas = Mole fraction Total pressure

Partial pressure of O2 = 0.21 25 bar = 5.25 bar

Partial pressure of Ne = 0.79 25 bar = 19.75 bar

Answered by Expert 14th October 2013, 1:28 PM
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