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hihahahaa
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Explanation: Given data: Volume of gas = 153.7 cm^3 Temperature "T" = 287 K Pressure "P" = 750 mm P1V1/ T1 = P2V2 / T2 We have p1 = 750 + vapour pressure of gas at 287 K = (750 + 12) mm of Hg = 762 mm of Hg V1 = 153.7 cm^3 and T1 = 287 K p2 = 760 mm of Hg
