Question #cd765

1 Answer
Jan 31, 2015

Ca(OH)₂ is not a buffer in any situation.

A buffer is a solution of a weak base and its conjugate acid, or of a weak acid and its conjugate base.

Ca(OH)₂ is a metallic hydroxide, so it is a strong base.

(a) Ca(OH)₂ is not a weak base ,and (b) it is a single substance, not a mixture of two substances as required in a buffer.

Conclusion: Ca(OH)₂ is not a buffer.