Question

1. Describe, in your own words, how you created your buffer solution. Be sure to reference specific amounts of reagents that you would use

2. What would the pH of the buffer you built above be if you added 10.0 mL of 10.0 M HCl to 100.00 mL of your buffer? (HINT: Your pure buffer initially contains the concentrations of acetic acid and sodium acetate determined in Step 9 above.)

pH: __________

Answer 1

A buffer solution is an aqueous solution consisting of a mixture of a weak acid and its conjugate base, or vice versa.

Its pH changes very little when a small amount of strong acid or base is added to it.

Buffer solutions achieve their resistance to pH change because of the presence of an equilibrium between the weak acid HA and its conjugate base A^{− _{and vice versa.}}

HA ⇌ H⁺ + A⁻

Ph of Buffer can be calculated by following formulae since there is no value given wrt to given question you can understand by this example,