Question

What means of H± and OH-
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Answer 1

Answer:

This symbol [H+] stands for the concentration of H+ ions (hydrogen). ... The higher concentration of H+ ions mean the stronger the acid. The same type thing goes for the symbol [OH-]. This stands for the concentration of OH- ions (hydroxide). Similarly, the greater concentration of OH- ions means that it's a stronger base.

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Answer 2

Answer:

This symbol [H+] stands for the concentration of H+ ions (hydrogen). H+ ions are found in acids. The higher concentration of H+ ions mean the stronger the acid. The same type thing goes for the symbol [OH-]. This stands for the concentration of OH- ions (hydroxide).