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An air tank contains 25 liters of air. The tank is kept in a room that is 30 0C. The air pressure inside the tank is 2.5...

An air tank contains 25 liters of air. The tank is kept in a room that is 30 0C. The air pressure inside the tank is 2.5 atm. How many moles of air are in the tank?

gas laws

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Answer #1

Using ideal gas equation,

PV = nRT

2.5×25 = n×0.0821×303

n = 2.51 mol

So 2.51 moles.of air are in the tank

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