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Question:
Which of these statements is TRUE about pH?
A
A pH of 7 is more acidic than a pH of 8.
explanation
Lower pH values indicate a more acidic solution, thus 7 is more acidic than 8. This occurs because acids increase [H+] of a solution, which lowers the pH of a solution. Thus, higher pH values would have a lower [H+].
Blood has a pH between 7.35 and 7.45, so it is slightly basic.
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