Which of the combinations of compounds can make a buffer solution? A) LiOH and LiCl B) NaOH and NaBr C) NaNO₃ and Ca(NO₃)₂ D) NaHCO₃ and Na₂CO₃ E) HN₃ and NH₃

Question

Quizplus · Accepted Answer

A buffer solution can be made from a weak acid and its conjugate base or a weak base and its conjugate acid. NaHCO₃ (sodium bicarbonate) and Na₂CO₃ (sodium carbonate) form a buffer solution as they are a weak acid and its conjugate base.

Which of the Combinations of Compounds Can Make a Buffer