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Which of the following is the formula for pH calculation?

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in Analytical Instrumentation by (131k points)
Which of the following is the formula for pH calculation?

(a) log10[H+]

(b) -log10[H+]

(c) log2[H+]

(d) -log2[H+]

I have been asked this question by my school teacher while I was bunking the class.

Enquiry is from pH Measurement and Types in division pH Meters and Ion Analysers of Analytical Instrumentation

1 Answer

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Right choice is (b) -log10[H+]

Easiest explanation: pH is defined as the negative logarithm of hydrogen ion concentration. Hence, its formula is -log10[H+].

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