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 concentration 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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Equations and inequalities describe the relationship between two mathematical expressions.
Linear Functions
A linear function can just be a constant, or it can be the constant multiplied with the variable like x or y. If the variables are of the form, x2, x1/2 or y2 it is not linear. The exponent over the variables should always be 1.
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 concentration 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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