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Which of the following is an equation used to calculate the pH of a buffer solution for an acidic buffer?

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in Chemistry – Class 11 by (148k points)
Which of the following is an equation used to calculate the pH of a buffer solution for an acidic buffer?

(a) pH = pKa + log[salt]/[acid]

(b) pOH = pKa + log[salt]/[acid]

(c) pH = pKb + log[salt]/[acid]

(d) pH = pKa + log[salt][acid]

This question was posed to me by my college professor while I was bunking the class.

My doubt stems from Equilibrium topic in division Equilibrium of Chemistry – Class 11

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Correct option is (a) pH = pKa + log[salt]/[acid]

The best I can explain: Equation that is used to calculate the pH of a buffer solution for an acidic buffer is pH = pKa + log[salt]/[acid]. This equation is known as henderson-hasselbalch equation, it is used for making of buffer solutions.

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