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A 18m3 tank is filled with helium gas at a pressure of 1.12 X 104 KPa....

A 18m3 tank is filled with helium gas at a pressure of 1.12 X 104 KPa. How many balloons each 2.0L can be inflated to a pressure of 1.2 X 102 KPa. Assuming that the temperature remains constant and that the tank cannot be emptied below 1 bar of pressure?

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