A solution with pH 7.0 is...

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A solution with pH 7.0 is...

pH measures how acidic or basic a solution is by comparing hydrogen ion concentration to hydroxide ion concentration. At standard conditions (about 25°C), water dissociates so that when [H+] equals [OH−], the solution is neutral, and this corresponds to pH 7 because pH = −log[H+]. If there are more H+ ions, pH is below 7 (acidic); if there are more OH− ions, pH is above 7 (basic/alkaline). So a solution with pH 7.0 is neutral.

pH measures how acidic or basic a solution is by comparing hydrogen ion concentration to hydroxide ion concentration. At standard conditions (about 25°C), water dissociates so that when [H+] equals [OH−], the solution is neutral, and this corresponds to pH 7 because pH = −log[H+]. If there are more H+ ions, pH is below 7 (acidic); if there are more OH− ions, pH is above 7 (basic/alkaline). So a solution with pH 7.0 is neutral.

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