Need help in answering question after creating graph from data table and need help determining number of moles of a strong acid that must be added to 25 mL of the buffer to change the pH of the solution by one pH unit. calculate the average number of moles of strong acid that must be added to 25 mL of the buffer to change pH of the solution by one pH unit

What happens to the average number of moles of strong acid that must be added when the [base]/[acid] ratio decreases? Why does the average number of moles of strong acid change as it does?

Thank you

Buffer 2 50.00mL of 0.50M Acetic Acid +35.00mL of 0.25MNaOH+15.00mL of H2O 2.5 2 1.5 1 0.5 0 Volume(mL)HCl Buffer 2 50.00mL of 0.50M Acetic Acid +35.00mL of 0.25MNaOH+15.00mL of H2O 2.5 2 1.5 1 0.5 0 Volume(mL)HCl