Answer:
His experiment has very low precision
Explanation:
Precision is how close the answers are together. The answers are increasing in time. So, this makes sence. None of the answers are similar to one another.
The information given in the question is not enough to determine the acidity of the solution. This is because, acidity can only be found with the equation: pH = -log [H+].
In order to determine the acidity of the solution, the half titration point value is needed, this will make it possible to determine the value of H30+. If the half point titration value is known, then Ka will be equivalent to pH and the value will be evaluated using the equation: - log (1.6 * 10^-10).
What do you need help with exactly can you explain ? I think I understand what you mean cause I just had this assignment in chemistry