In this task, you are given a sentence in the English language. Your job is to translate the English sentence into the Spanish language.

How do hard acids tend to be ?
¿Cómo tienden a ser los ácidos duros?

In a potentiometric determination using ion-selective electrodes, the membrane potential developed in the selective electrode is
En una determinación potenciométrica mediante electrodos selectivos a iones, el potencial de membrana desarrollado en el electrodo selectivo es

Regarding the glucokinase enzyme, it can be stated that

Respecto a la enzima glucoquinasa, se puede afirmar que