V (volume) = 5l
c (molar concentration or molarity) = 3 M = 1 mol/l
c = n/V, where n is the number of moles or amount of substance
So: n = c * V = 3 mol/l * 5l = 15 moles
"Alveoli" <span>is where gas exchange takes place between the lungs and the blood.
Hope this helps!</span>
Irk look it up on the computer
I would say <span>C. being injected into the cell is the right answer</span>
