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The concept of pH, or 'potential of hydrogen', is crucial in understanding the acidity or basicity of solutions. It influences chemical reactions, biological functions, and environmental health. The pH scale, which is logarithmic, ranges from 0 to 14, with 7 being neutral. This scale helps in assessing the reactivity of substances and the health of ecosystems. Fluctuations in pH levels can affect marine life and enzyme activity, highlighting the importance of pH balance.
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pH is a measure of the acidity or basicity of a solution based on the concentration of hydrogen ions
Logarithmic nature
The pH scale is logarithmic, meaning that each unit change corresponds to a tenfold change in hydrogen ion concentration
Range and values
The pH scale ranges from 0 to 14, with 7 being neutral, and values below 7 indicating acidity and values above 7 indicating basicity
pH can be calculated using the formula pH = -log[H+], where [H+] represents the molar concentration of hydrogen ions
pH can greatly impact the reactivity of substances in chemical reactions
pH plays a crucial role in the functioning of enzymes and other proteins in living organisms
Fluctuations in pH can have significant effects on the environment and living organisms, such as ocean acidification and regulation of blood and intracellular pH
Dilution can alter the pH of a solution by changing the concentration of hydrogen ions
The addition of acidic or basic substances can also change the pH of a solution
Buffer systems help regulate pH in biological systems to maintain balance and health