Question

10 the hydroxide concentration of a solution whose hydrogen concentration is 3.8 x 10 - 10 is enter answer enter answer x

Explanation:

Step1: Use the ion - product constant of water

The ion - product constant of water \(K_w=[H^+][OH^-]\), and at \(25^{\circ}C\), \(K_w = 1.0\times10^{-14}\)

Step2: Solve for \([OH^-]\)

Given \([H^+]=3.8\times 10^{-10}\), we can solve for \([OH^-]\) using the formula \([OH^-]=\frac{K_w}{[H^+]}\)

Substitute the values: \([OH^-]=\frac{1.0\times 10^{-14}}{3.8\times 10^{-10}}\)

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Answer:

\(2.63\times 10^{-5}\)