Question

34.
To prepare one litre buffer solution (containing
NaCN + HCN), x moles of HCI are added to 0.01
moles of NaCN. If pH of buffer is 8.5, then
value of x is (pKahcn = 9.5)
(1) 9 x 10-2
(2) 9 x 10-3
(3) 7 x 10-2
(4) 7 x 10-3​

Answer 1

Answer:

Heyy mate

(b) 9×10-3

hope it helps u..❤..