Question

The ph of a buffer is 4.745. When 0.01 mole of naoh is added to 1 litre solution

Answer 1

The question is incomplete , it is -"1litre solultion , ph changes to 4.832 . Calculate buffer capacity.(Answer below)

Buffer capacity = (no. of moles per litre)/(change in ph)

=0.01/(4.832-4.745)

=0.115(approx)