Respuesta :

Answer: 0.35 mole SF6

Explanation: Use ideal gas equation

Solution Attached.

At STP

Pressure = 1 atm

Temperature = 1°C + 273 = 273 K

PV= nRT derive to find n

n= PV / RT

= 1 atm x 7.9 L / 0.08205 L.atm

/mol K x 273 K

= 0.35 mole SF6

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