Which response contains all the statements TRUE of buffer solutions, and NO flas

Question

Which response contains all the statements TRUE of buffer solutions, and NO flase statements. I. A buffer soltuion could consit of equal concentrations of ammonia and ammonium bromide. II. A buffer solution could consist of equal concentrations of perchloric acid, HClO4, and sodium perchlorate. III. A buffer solution will change only slightly in pH upon addition of acid or base. IV. In a buffer solution containing benzoic acid, C6H5COOH, and sodium benzoate, NaC6H5COO, the species that reaccts wtih added [OH-] is the benzoate ion

Explanation / Answer

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