3. A balloon contains 2.64 moles of xenon gas and has a volume of 55.4 L. Some of the gas


3. A balloon contains 2.64 moles of xenon gas and has a volume of 55.4 L. Some of the gas is let out until the
volume becomes 35.4 L. What is the number of moles of xenon gas left in the balloon? (Use avogadro’s law:
Vin2)


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