10power-6 M NaOH is diluted 100 times. The pH of the diluted base is
(A) between 6 and 7
(B) between 10 and 11
(C) between 7 and 8
(D) between 5 and 6
Answers
Answered by
30
The Definition of pH
pH=−log[H+]pH=−log[H+]
pH is defined as the negative logarithm of concentration of protons (H+) in a solution.
the concentration of H+ ions is 10^-6 moles/ltr.
So, when you dilute an acid so that its molarity is 10^-8, the total concentration of H+ ions in the solution is still greater than 10^-7 which is basically the base.
Hence, you get the pH of a very dilute acid to be always less than 8.
(C)
pH=−log[H+]pH=−log[H+]
pH is defined as the negative logarithm of concentration of protons (H+) in a solution.
the concentration of H+ ions is 10^-6 moles/ltr.
So, when you dilute an acid so that its molarity is 10^-8, the total concentration of H+ ions in the solution is still greater than 10^-7 which is basically the base.
Hence, you get the pH of a very dilute acid to be always less than 8.
(C)
Answered by
1
Answer:
The Definition of pH
pH=−log[H+]pH=−log[H+]
pH is defined as the negative logarithm of concentration of protons (H+) in a solution.
the concentration of H+ ions is 10^-6 moles/ltr.
So, when you dilute an acid so that its molarity is 10^-8, the total concentration of H+ ions in the solution is still greater than 10^-7 which is basically the base.
Hence, you get the pH of a very dilute acid to be always less than 8.
(C)
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