A 18 cm diameter compressed air tank is 60 cm tall.  The pressure at 20 degrees C is 120 atm.   a. How many moles of air are in the tank? in mol.   b. What volume would this air occupy at STP? in M^3.

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A 18 cm diameter compressed air tank is 60 cm tall.  The pressure at 20 degrees C is 120 atm.  

a.

How many moles of air are in the tank? in mol.

 

b.

What volume would this air occupy at STP? in M^3.

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