Complete la tabla que sigue calculando las entradas que...

Complete la tabla que sigue calculando las entradas que faltan e indicando si la disolución es ácida o básica. $$ \begin{array}{|l|l|l|l|l|} \hline \mathrm{pH} & \mathrm{pOH} & {\left[\mathrm{H}^{+}\right]} & {\left[\mathrm{OH}^{-}\right]} & \begin{array}{c} \text { ¿ácida o } \\ \text { básica? } \end{array} \\ \hline 6.21 & & & & \\ \hline & 10.13 & & & \\ \hline & & 3.5 \times 10^{-3} \mathrm{M} & & \\ \hline & & & 5.6 \times 10^{-4} \mathrm{M} & \\ \hline \end{array} $$

Complete la tabla que sigue calculando las entradas que faltan e indicando si la disolución es ácida o básica.
$$
\begin{array}{|l|l|l|l|l|}
\hline \mathrm{pH} & \mathrm{pOH} & {\left[\mathrm{H}^{+}\right]} & {\left[\mathrm{OH}^{-}\right]} & \begin{array}{c}
\text { ¿ácida o } \\
\text { básica? }
\end{array} \\
\hline 6.21 & & & & \\
\hline & 10.13 & & & \\
\hline & & 3.5 \times 10^{-3} \mathrm{M} & & \\
\hline & & & 5.6 \times 10^{-4} \mathrm{M} & \\
\hline
\end{array}
$$

Key Concepts

Ion Product of Water (Kw)

The ion product constant of water (Kw) is the product of the molar concentrations of hydrogen ions and hydroxide ions in water, and at 25°C its value is typically 1.0 × 10?¹?. This constant is crucial in relating pH and pOH through the equation pH + pOH = 14.

Relation between pH and pOH

pH and pOH are interconnected through the equation pH + pOH = 14 at 25°C. This relationship allows one to calculate one value when the other is known, facilitating the determination of the corresponding hydrogen or hydroxide ion concentration in the solution.

pH is the negative logarithm of the hydrogen ion concentration in a solution. It is a key measure of acidity and basicity, with lower values indicating more acidic conditions and higher values indicating more basic conditions.

pOH

pOH is defined as the negative logarithm of the hydroxide ion concentration. Like pH, it provides insight into the nature of the solution, and together with pH, it helps determine the overall acid-base balance.

Acid-Base Classification

The classification of a solution as acidic or basic depends on its hydrogen ion concentration. A solution is considered acidic if it has a high concentration of hydrogen ions (pH less than 7) and basic if it has a low concentration (pH greater than 7), which is crucial for predicting its chemical behavior.

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