Warner Mckenzie
02/09/2024 · Senior High School
\begin{tabular}{l} 23. La escala de pH mide la acidez de una sustancia y la relacioria \\ con su concentraciôn de iones de hidrógeno c , medida en molitro, \\ mediante la siguiente igualdad: \\ \( \qquad \mathrm{pH}=-\log \mathrm{c} \) \\ Si la concentración de iones de hidrógeno de una infusión de té es \\ \( \mathrm{c}=4,1 \cdot 10^{-3} \) molitro, ¿qué expresion es igual a su pH ? \\ A \( 3 \log 4,1 \) \\ (B \( -3 \log 4,1 \) \\ C \( 3 \log 4,1+3 \) \\ D \( -\log 4,1+3 \) \\ \hline\end{tabular}
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La expresión igual al pH es \( -\log 4,1 + 3 \). La opción correcta es D.
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