Calculate the hydrogen ion concentration of an aqueous solution, given the poh of the solution is 4.50 and the ion product constant for water, kw, is 1.00 × 10–14.

3.162 x 10⁻¹⁰ M.

Explanation:

∵ pOH = - log[OH⁻].

∴ 4.5 = - log[OH⁻].

log[OH⁻] = - 4.5.

∴ [OH⁻] = 3.162 x 10⁻⁵ M.

∵ [H⁺][OH⁻] = 10⁻¹⁴.

∴ [H⁺] =  10⁻¹⁴/[OH⁻] = (10⁻¹⁴)/(3.162 x 10⁻⁵) = 3.162 x 10⁻¹⁰ M.

b. acid is the correct answer @jayxboof all social media

acid : acids are those which accepts an electron-pairs.

base : bases are those which donates ab electron-pairs.

alkali : it is a base that dissolves in water. it is basically a base and the ph greater than 7.

hydroxide ion : it is a poly-atomic ion which is negatively charged.

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