Purpose
prediction
procedure
data
calculation
conclusion - results etc.
I believe the answer would be 14.25 an hour because $85.50/ 6 would be 14.25 but i could be wrong.
The balanced reaction shows for every 2 Aluminum we need 3 Chloride gas.
20 Al * (3 Cl / 2 Al) = 30 Cl
We have 45 Cl ... Which is more than enough for 20 Al
We have excess Cl
Then the limiting reagent = Al
Answer: pH of buffer solution is 8.1
Explanation:
The formula for the Henderson–Hasselbalch equation is:
![pH=pK_a+\log\frac{[A^-]}{[HA]}](https://tex.z-dn.net/?f=pH%3DpK_a%2B%5Clog%5Cfrac%7B%5BA%5E-%5D%7D%7B%5BHA%5D%7D)
is the concentration of ![[H^+]](https://tex.z-dn.net/?f=%5BH%5E%2B%5D)
is the acid dissociation constant,
and 
are concentrations of the conjugate base and starting acid.
Putting in the values we get:
Thus pH of buffer solution is 8.1
The information that is most useful to determine which will have a lower freezing point is the van't Hoff factor of each solute. It is the number of ions that is ionized when the solute are in solution. The higher this value, the lower is the freezing point of the solution given they have the same concentration.
