Finding the temperature and pressure how to set up equation

A 2.50L container is filled with 175g of argon. (assume ideal behavior) a.) if the pressure is 10.0atm, what is the temperature b.) if the temperature is 225k what is the pressure?

Find number of moles Ar, n from its mass/molar mass. Then plug in to T=PV/nR

'Chemistry is not just the study of matter; Chemistry is the study which matters!' - Kingchemist

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