Which of the following mixtures will act as buffer?

Which of the following mixtures will act as a buffer solution when dissolved in 50 mL of water ?

Which of the following mixtures can act as buffer?

Which of the following mixture can act as a buffer?

26.Which of the following mixtures can act as a buffer ? A) NaOH+HCOONa(1:1" molar ratio) B) "HCOOH+NaOH(2:1" molar ratio) C) NH_(4)Cl +NaOH(2:1" molar ratio ) D) HCOOH+NaOH(1:1" molar ratio)

Which of the following mixture constitute a buffer?

Which of the following mixtures forms an acid buffer ?

Which one of the following mixtures creates a buffer solution ?