Question
Download Solution PDFThe pH of a neutral solution is ______.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct answer is 7.
Key Points
- A solution's acidity can be determined by looking at its pH, which is a measurement of hydrogen ion concentration. Pure water slightly separates into ions with roughly equal amounts of hydrogen and hydroxyl (OH) ions. [H+] is 107 for a neutral solution, or pH = 7.
- By chance, the amounts of H+ and OH- are equal at pH 7. Because of this, pH 7 is regarded as the neutral pH. The concentration of H+ exceeds the concentration of OH- below pH 7, causing the water to become acidic.
- Because pure water has a pH of exactly 7, a pH value of 7 is considered neutral. Levels under 7 are considered acidic, whereas those over 7 are considered basic or alkaline.
Additional Information
- pH stands for "Potential of Hydrogen" in its full form.
- The negative logarithm of the concentration of H+ ions is known as pH.
- As a result, the meaning of pH is defined as the strength or power of hydrogen.
- For human life to exist, the serum's pH must be carefully regulated at around 7.4 (a slightly alkaline range of 7.35 to 7.45).
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