Avogadro's Gas Law: 12.) The average volume of a human lung is 5.0 L when fully expanded. If the air is
20.95 % oxygen, how many molecules of oxygen gas can a human's lungs hold
when fully expanded? Assume STP conditions.

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If a hydrogen atom is neutral, it must also have  one electron. an oxygen atom (o) has an atomic number of eight (8). this means a neutral oxygen atom has eight protons and eight electrons. the element actium (ac) has an atomic number of 89, so it has 89 protons and 89 electrons in a neutral atom

Answer:

5.6⋅10−^19  j

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