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Problem: Which of the following aqueous mixtures would be a buffer system?A) HCl, NaClB) HNO3, NaNO3C) H3PO4, H2PO4-D) H2SO4, CH3COOHE) NH3, NaOH

FREE Expert Solution

We are asked to determine which of the given choices constitutes a buffer system. 

Recall that a buffer can be composed of the following:

weak base and its conjugate acid
weak acid and its conjugate base
weak acid and a strong base 

▪ concentration of weak acid > concentration of strong base

weak base and a strong acid 

concentration of weak base > concentration of strong acid

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Problem Details

Which of the following aqueous mixtures would be a buffer system?

A) HCl, NaCl

B) HNO3, NaNO3

C) H3PO4, H2PO4-

D) H2SO4, CH3COOH

E) NH3, NaOH

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Based on our data, we think this problem is relevant for Professor Sumner's class at UF.