Respuesta :
Answer:
pH of the H⁺(aq) is 0
Explanation:
It is possible to know the concentration of a HCl(aq) solution by titration with a solution of NaOH(aq) with known concentration. The reaction is:
HCl(aq) + NaOH(aq) → H₂O(l) + NaCl(aq)
The added moles of NaOH are equal to moles of HCl and as you know volume of HCl added you will obtain concentration of HCl.
Now, a solution of H⁺(aq) with a concentration 10 times greater than original NaOH(aq) solution -0.100M-, has a concentration of 1.00M H⁺(aq), the pH of this solution is:
pH = -log (1.00M H⁺(aq) = 0
That means pH of the H⁺(aq) is 0
The pH of the solution that has a H+ ion concentration 10 times greater than the original NaOH solution is 12.
What is pH of a solution?
The pH of a solution is the negative logarithm to base ten of the hydrogen ions concentration of the solution.
- pH = - log[H-]
The pH of the NaOH solution is 13
The [H+] = 10^-13
A solution that has a ten times hydrogen ion of the original NaOH solution = 10 × 10^-13 = 10^-12
pH = - log(10^12)
pH = 12
Therefore, the pH of the solution is 12.
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