A closed vessel with a volume of V = 2 l is divided into two equal parts by a solid semi-permeable fixed partition. One half of the vessel initially contains m1 = 20 g of argon and m2 = 2 g of hydrogen. The other half contains vacuum. Only hydrogen can diffuse through the partition. What pressure will be established in the first half of the vessel after the end of the diffusion process? During the process, the temperature is maintained constant and equal to t = 20° C. The atomic weight of argon is Ma = 40, the molecular weight of hydrogen is Mw = 2.

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