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Question
The pH of 10−8M HCl solution is:
The pH of 10−8M HCl solution is:
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Solution
The correct option is C Close to 7
HCl is a strong acid. All the acids have pH in the acidic range, i.e. below 7. The concentration of HCl is given as 10−8 M. pH is calculated based on the protons of the acid and the water. 10−8 M is a very low concentration and hence the protons from water are also considered. This gives the value of the pH of about 6.8 which is very close to 7.Thus, the correct answer is option C.
HCl is a strong acid. All the acids have pH in the acidic range, i.e. below 7. The concentration of HCl is given as 10−8 M. pH is calculated based on the protons of the acid and the water. 10−8 M is a very low concentration and hence the protons from water are also considered. This gives the value of the pH of about 6.8 which is very close to 7.
Thus, the correct answer is option C.
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