Which option correctly shows the concentration of H3O+ ions in pure water (pH 7) ?(1 point)Responses7 mol/L7 mol/L14 mol/L14 mol/L1.0 x 10-14 mol/L1.0 x 10 -14 mol/L1.0 × 10-7 mol/L1.0 × 10 -7 mol/L

Answer 1

In pure water at pH 7, the concentration of H₃O⁺ ions is \(1.0 \times 10^{-7}\) mol/L.

Thus, the correct option is:

1.0 × 10⁻⁷ mol/L.