Question

A bicycle pump inflates a tire whose volume is 577 mL until the internal pressure is 627 kPa at a temperature of 21.7°C. How many moles of air does the tire contain?
PV = nRT
If you use P in kPa, R is 8.314
or if you use P in atm (627 kPa/101.325) then R is 0.08206. Solve for n.

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