pH of a buffer solution decreases by 0.02 units when 0.12 g of acetic acid is added to 250 mL of a buffer solution of acetic acid and potassium acetate at 27oC. The buffer capacity of the solution is

see full answer

21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!

An Intiative by Sri Chaitanya

0.1

0.4

answer is D.

(Unlock A.I Detailed Solution for FREE)

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Detailed Solution

Buffer capacity, ∅ = No.of molesof acid added/litChange in PHNo.of moles of acetic acid/lit = 0.1260×1000250 =8×10-3 ∅=8×10-32×10-2=0.4

Watch 3-min video & get full concept clarity