contestada

What are the concentrations of hydroxide and hydronium ions in a solution with a pH of 8.3?

Respuesta :

superman1987

Answer:

[H⁺] = 5.012 x 10⁻⁹. & [OH⁻] = 1.995 x 10⁻⁶.

Explanation:

∵ pH = - log[H⁺]

8.3 = - log[H⁺]

∴ log[H⁺] = - 8.3.

∴ [H⁺] = 5.012 x 10⁻⁹.

∵ [H⁺][OH⁻] = 10⁻¹⁴.

∴ [OH⁻] = 10⁻¹⁴/[H⁺] = 10⁻¹⁴/(5.012 x 10⁻⁹) = 1.995 x 10⁻⁶.

Answer:

The correct answer is C.

Explanation:

I just got it correct on the test. I hope this helps!

Ver imagen CassidyLovesCats