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Mercury vapor contains Hg atoms. What is the volume of 200. g of mercury vapor at 822 K and 0.500 atm?

1 Answer

Jun 20, 2018

#"134.6 L"#

Explanation:

Molar mass of mercury #"= 200.59 g/mol"#

Moles of mercury#= "200 g"/"200.59 g/mol" = "0.997 mol"#

Assuming it shows ideal behaviour, from ideal gas equation #"PV = nRT"#

#"V" = "nRT"/"P"#

#color(white)("V") = "0.997 mol × 0.0821 L atm / (mol K) × 822 K"/"0.500 atm"#

#color(white)("V") = 134.6\ "L"#

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