The pH of a solution ranges from 0 to 14. An acid has a pH less than 7. Pure water is neutral and has a pH of 7. The pH of a solution is given by pH = -logx where x represents the concentration of the hydrogen ions in the solution in moles per liter. Find the pH if the hydrogen ion concentration is 1 x 10-1

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Answer:

pH = 1

Step-by-step explanation:

Let x = concentration of the hydrogen ions in the solution in moles per liter.

We know that pH = -log x.

When the concentration of the hydrogen ion is 1 × 10⁻¹ M, x = 1 × 10⁻¹ and the pH is:

pH = -log x = -log 1 × 10⁻¹ = - (-1) = 1

Since the pH is less than 1, the solution is an acid.