Nitrogen by 78 percentage.
It would determine if a solution is acidic.
Please give Brainlyist!!!
I believe sam's response is correct.
When human is riding a moving target with constant speed over a period of time, we tend to have a visual acceleration perception due to our optical movement.
This make people such as Carrie believes that the carousel horses are accelerating while it actually stayed at constant pace.
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 = 
The volume of the nail since it is an irregular figure you can't measure it like a regular object.
