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What mass of chlorine gas is contained in a 10.0 L tank at 31.0° C and 3.50 atm?

What mass of chlorine gas is contained in a 10.0 L tank at 31.0° C and 3.50 atm?
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What mass of chlorine gas is contained in a 10.0 L tank at 31.0° C and 3.50 atm?

User Strongopinions
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You need to use the ideal gas law (PV=nRT) and solve for n. ((3.50atm•10.0L)/(0.0821(L•atm/mol•K)•304K) = n = 1.40 moles. 1 mole of Cl2 = 70.9 gm/mole. The mass would be 99.43 gm
User Khagler
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