The vessel is divided into two equal parts by a semi-permeable fixed partition. A mixture of argon and hydrogen was introduced into the first half of the vessel at a pressure P = 1.5•105 Pa, and in the second half there was a vacuum. Only hydrogen can diffuse through the partition. After the end of the diffusion process, the pressure in the first half turned out to be P = 105 Pa. The temperature was kept constant during the process. Determine the ratio of the masses of argon and hydrogen in the mixture that was initially introduced into the first half of the mixture.

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