Q. The pH of a buffer solution can be calculated using:

बफर समाधान के pH की गणना निम्न का उपयोग करके की जा सकती है:

A
Henderson-Hasselbalch equation
हेंडरसन-हसलबल्च समीकरण
B
Nernst equation
नर्नस्ट समीकरण
C
Arrhenius equation
अरहेनियस समीकरण
D
Ostwald dilution law
ओस्टवाल्ड तनुकरण नियम

Explanation

The Henderson-Hasselbalch equation is used to calculate the pH of buffer solutions:

pH=pKa+log([salt][acid])\text{pH} = \text{p}K_a + \log\left(\frac{[\text{salt}]}{[\text{acid}]}\right)

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