Most of the acid waves found in today's salons have a pH between:

Most of the acid waves found in today's salons have a pH between:

Most of the acid waves found in today's salons have a pH between:



a. 7.8 and 8.2

b. 9.5 and 10.5

c. 3.8 and 4.2

d. 4.5 and 5.5



Answer: 7.8 and 8.2


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