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113 L of helium gas at 1360^@c and preva...

113 L of helium gas at `1360^@c` and prevailing barometric pressure is passed through molten silver at result the liquid silver loses 0.120 g in mass. What is vapour pressure in mmHg of liquid silver at `1360^@C` ? neglect any change in gas volume due to vaporisation of the silver.
Plan : Under given condition 0.120 g of molten silver is vaporised ( indicated by loss in mass). Thus pressure can be calculated by `P=n/VRT`

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