Question

Which may be added to one litre of water to act a buffer :-
(1)
One mole of CH3COOH and one mole of HCl
(2)
One mole of NH4OH and one mole of NaOH
(3)
One mole of NH4Cl and one mole of HCl (4)
One mole of CH3COOH and 0.5 mole of NaOH

Answer 1

Answer:

first your answer it's help you

Answer 2

Explanation:

Your answer is option 4)

One mole of CH3COOH and 0.5 moles of NaOH