Molarity of a solution is the moles of solute present in 1 L solution.
Given the moles of sodium nitrate = 5.6 mol
Volume of solution = 4.9 L
Molarity of the solution = 
Answer:
This is called the pulmonary circulation. From your pulmonic valve, blood travels to the pulmonary artery to tiny capillary vessels in the lungs. Here, oxygen travels from the tiny air sacs in the lungs, through the walls of the capillaries, into the blood.
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Answer:
N with a charge of (-3) is nitride
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A and B
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