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Sagot :
To determine the nature of the solution with an [tex]\( H^+ \)[/tex] concentration of [tex]\( 10^{-12} \)[/tex] moles per liter, we need to follow these steps:
1. Calculate the pH:
The pH of a solution is given by the negative logarithm (base 10) of the [tex]\( H^+ \)[/tex] concentration:
[tex]\[ pH = -\log_{10} [H^+] \][/tex]
Substituting the given [tex]\( H^+ \)[/tex] concentration:
[tex]\[ pH = -\log_{10} (10^{-12}) = 12 \][/tex]
2. Determine the nature of the solution based on the pH value:
- If the pH value is less than 7, the solution is acidic.
- If the pH value is equal to 7, the solution is neutral.
- If the pH value is greater than 7, the solution is basic.
Since the calculated pH is 12, which is greater than 7, the solution is basic.
Hence, the correct statement regarding this solution is:
A. The solution is basic in nature.
1. Calculate the pH:
The pH of a solution is given by the negative logarithm (base 10) of the [tex]\( H^+ \)[/tex] concentration:
[tex]\[ pH = -\log_{10} [H^+] \][/tex]
Substituting the given [tex]\( H^+ \)[/tex] concentration:
[tex]\[ pH = -\log_{10} (10^{-12}) = 12 \][/tex]
2. Determine the nature of the solution based on the pH value:
- If the pH value is less than 7, the solution is acidic.
- If the pH value is equal to 7, the solution is neutral.
- If the pH value is greater than 7, the solution is basic.
Since the calculated pH is 12, which is greater than 7, the solution is basic.
Hence, the correct statement regarding this solution is:
A. The solution is basic in nature.
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