Question: Identify the correct statement about pH measurements using a glass electrode A. H + ions move in and out of the membrane according to the

Identify the correct statement about pH measurements using a glass electrode

A. H+ ions move in and out of the membrane according to the electromotive force exhibited by the reference electrode.

B. The semipermeable glass membrane ensures that only H+ ions can cross.

C. H+ ions move into the porous section of the membrane creating a charge imbalance.

D. H+ ions selectively cross the membrane. Other ions do not fit into the pores of the membrane and, therefore, cannot cross.

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