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05-12-2019
Chemistry

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The pH of a solution is measured as 4.5. What is the hydrogen ion concentration of the solution?

Respuesta :

11-12-2019

Answer:

[H⁺] = 3.16 × 10⁻⁵ mol/L

Explanation:

Given data:

pH of solution = 4.5

Hydrogen ion concentration = ?

Solution;

pH = -log [H⁺]

we will rearrange this formula:

[H⁺] = 10∧-pH

[H⁺] = 10⁻⁴°⁵

[H⁺] = 3.16 × 10⁻⁵ mol/L

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