which acid would you choose to combine with its sodium salt to make a solution buffered at ph 4.25? for the best choice, calculate the ratio of the conjugate base to the acid required to attain the desired ph.

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31-10-2022
Chemistry

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which acid would you choose to combine with its sodium salt to make a solution buffered at ph 4.25? for the best choice, calculate the ratio of the conjugate base to the acid required to attain the desired ph.

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kjuli1766 kjuli1766 · Answer 1 · 2022-11-03T12:22:20-04:00

Combine with its sodium salt to make a solution buffered at ph 4.25 Formic acid.

Remember that the best range for a buffer is within 1 pH unit of the pKa. This eliminates hypochlorous acid and chlorous acid and then the closest to the desired 4.25 is chosen from the remaining nitrous acid and formic acid.

Use the HH equation to find the ratio of the conjugate base to the acid required to get pH 4.25. Set the desired pH into the equation along with the pKA and solve for the log(base/acid) and then put base 10 on everything to get rid of the log.

Within the Brønsted–Lowry definition of acids and bases, a conjugate acid–base pair includes two materials that differ simplest by way of the presence of a proton (H⁺). A conjugate acid is formed whilst a proton is delivered to a base, and a conjugate base is formed when a proton is removed from an acid.

Learn more about Conjugate base here:-https://brainly.com/question/14684465

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