If a solution has 25.1 times the Hydrogen ion concentration as one with a pH of 12.9 on the pH scale, what is it's pH? $$\text{pH} = -\log{[\text{H}^+]}\\ \\ \frac{[\text{H}^+]_2}{[\text{H}^+]_1} = 25.1 \\ \text{pH}_1 = 12.9 $$

Practice: Logarithmic Scales - Ratio and Magnitude to Magnitude

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Logarithmic Scales - Ratio and Magnitude to Magnitude

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