MPSC PYQScience

Which of the following mathematical relationships should be used to calculate the pH of a 0.10M aqueous HCl solution?

A.pH = log₁₀(1.0 × 10⁻¹)
B.pH = log₁₀(1.0 × 10¹)
C.pH = -log₁₀(1.0 × 10⁻¹)
D.pH = -log₁₀(0.10 × 10¹)

Correct answer: C

Source paper

MPSC Gazetted CS Combined Pre 2023 (English)

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