Hello Everyone, I chose combination  Compound: CaO Mass: 7 g Volume: 14 L 1) % mass/volume concentr

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Hello Everyone,
I chose combination 
Compound: CaO
Mass: 7 g
Volume: 14 L
1) % mass/volume concentration
Formula for % mass/volume concentration is given by
% mass/volume concentration = ( mass of solute in gram / volume of solution in mL) * 100
% mass/volume concentration = ( 7 / 14000) * 100
% mass/volume concentration = 0.05 %
2) Molarity 
Molar mass of solute = 56.0774 gram/mole
Number of mole of solute present in solution = mass of solute / molar mass of solute
=7 / 56.0774
= 0.1248
Molarity = Number of mole of solute / volume of solution in liter
Molarity = 0.1248 / 14
Molarity =0.0089 M
3) Osmolarity
Formula for Osmolarity is given by
Osmolarity = Molarity * g
where g = number of particle in solution ( for CaO g = 2) 
Osmolarity = 0.0089 * 2
Osmolarity = 0.0178 osM
Reference:
Bauer, R. C., Birk, J. P., & Marks, P. (2019). Introduction to chemistry. McGraw-Hill Education.
How can molarity and osmolarity be calculated from M/V?: Socratic. Socratic.org. (2014, May 19). https://socratic.org/questions/how-can-molarity-and-osmolarity-be-calculated-from-m-v#:~:text=Molarity%20is%20the%20number%20of,in%201.00%20L%20of%20solution.

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