What pH value represents a neutral solution?

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Multiple Choice

What pH value represents a neutral solution?

Explanation:
pH measures how acidic or basic a solution is by looking at hydrogen ion concentration. A neutral solution has equal amounts of hydrogen ions and hydroxide ions, which at standard room temperature corresponds to pH 7. In water at 25°C, [H+] and [OH−] are both 1×10−7 M, so pH = -log(1×10−7) = 7. Values below 7 indicate acidity, while values above 7 indicate basicity. The other options represent acidic or strongly basic solutions, not neutral, so 7 is the neutral value under typical conditions.

pH measures how acidic or basic a solution is by looking at hydrogen ion concentration. A neutral solution has equal amounts of hydrogen ions and hydroxide ions, which at standard room temperature corresponds to pH 7. In water at 25°C, [H+] and [OH−] are both 1×10−7 M, so pH = -log(1×10−7) = 7. Values below 7 indicate acidity, while values above 7 indicate basicity. The other options represent acidic or strongly basic solutions, not neutral, so 7 is the neutral value under typical conditions.

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