I hate stoichiometry. I will help you but I need to know the question first.
Answer:
A supersaturated solution is a more solute solution than can be dissolved by the solvent.
Explanation:
sodium acetate is an example of one
Answer:

Explanation:
Hello,
In this case, we can compute the required volume by using the ideal gas equation as shown below:

Thus, solving for the volume and considering absolute temperature (in Kelvins), we obtain:

Best regards.
Electronegativity is your answer.