Given [oh-] = 5.5 x 10-10m find: [h3o+] and ph is this acidic, basic or neutral?

Explanation:

Given parameters:

Hydroxide ion concentration = 5.5 x 10⁻¹⁰M

Unknown:

concentration of hydroxonium ion [H₃O⁺]= ?

pH = ?

Solution

To determine the concentration of the hydroxonium ion, we know that from the ionic product of water:

                        [H₃O⁺][OH⁻]= 10⁻¹⁴

                        [H₃O⁺] =

                        [H₃O⁺] =

                        [H₃O⁺] = 1.8 x 10⁻⁵M

To find the pH of the solution, we use the expression below:

                  pH = -log₁₀[H₃O⁺]

                 pH = -log₁₀ 1.8 x 10⁻⁵ = -(-4.74) = 4.7

Since the pH of the solution is 4.7, it is acidic.

true

explanation:

who knows

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