
. Iron is divalent to hydrogen and water.
Moles are the ratio of the mass and the molar mass of the substance given and is estimated in mol. The moles that the lungs contain when it is full is 0.12 moles.
<h3>What is the relation of the volume and moles?</h3>
Moles of the substances are directly proportional to the volume of the substance and can be shown as,

Here,
Initial volume
= 2.9 L
Final volume
= 1.2 L
Initial moles = 
Final moles
= 0.049 mol
Substituting values in the equation:

Therefore, the number of moles in the lungs are 0.12 moles.
Learn more about moles and volumes here:
brainly.com/question/13909347
Two subatomic particles that are located in the nucleus of an atom are Protons and Neutrons.
Answer:due to principle "like dissolve like" as base is electronegativty it may dissolve with protein at it's isoelectronic point
The answer is A, do you want me to explain it? It’s pretty simple, you just need to follow all the signs in brackets and match them in those in the answer