- pH of Saliva The pH of saliva is normally in the range of 6.4 to 7.0. However, when a person is ill, the person's saliva becomes more acidic. (a) When Marco is sick, he tests the pH of his saliva and finds that it is 5.5. What is the hydrogen ion concentra- tion of his saliva? (b) Will the hydrogen ion concentration in Marco's saliva increase or decrease as he gets better? (c) After Marco recovers, he tests the pH of his saliva, and it is 6.5. Was the saliva more acidic or less acidic when he was sick?

Chemistry by OpenStax (2015-05-04)
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- pH of Saliva The pH of saliva is normally in the range of
6.4 to 7.0. However, when a person is ill, the person's saliva
becomes more acidic.
(a) When Marco is sick, he tests the pH of his saliva and
finds that it is 5.5. What is the hydrogen ion concentra-
tion of his saliva?
(b) Will the hydrogen ion concentration in Marco's saliva
increase or decrease as he gets better?
(c) After Marco recovers, he tests the pH of his saliva, and it
is 6.5. Was the saliva more acidic or less acidic when he
was sick?
Transcribed Image Text:- pH of Saliva The pH of saliva is normally in the range of 6.4 to 7.0. However, when a person is ill, the person's saliva becomes more acidic. (a) When Marco is sick, he tests the pH of his saliva and finds that it is 5.5. What is the hydrogen ion concentra- tion of his saliva? (b) Will the hydrogen ion concentration in Marco's saliva increase or decrease as he gets better? (c) After Marco recovers, he tests the pH of his saliva, and it is 6.5. Was the saliva more acidic or less acidic when he was sick?
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