Question

21. A chemical "buffer"
(a) can donate a H+ when the solution becomes too basic
(b) can absorb a H+ when the solution becomes too acidic
(c) is utilized in living systems to maintain correct pH
(d) All of the above are correct​

Answer 1

Answer:

A buffer solution (more precisely, pH buffer or hydrogen ion buffer) is an aqueous solution consisting of a mixture of a weak acid and its conjugate base, or vice versa. ... Buffer solutions are used as a means of keeping pH at a nearly constant value in a wide variety of chemical applications.

Explanation:

all the above are correct

please mark as brianliest ✌️

Answer 2

Answer:

21. A chemical "buffer"

(a) can donate a H+ when the solution becomes too basic

(b) can absorb a H+ when the solution becomes too acidic

(c) is utilized in living systems to maintain correct pH