Cytoplasm has a pH of about 7. What is the concentration, in moles/ liter of the hydrogen ion?
A) 7 x 10^-1
B) 7
C) 7 x 10^-7
D) 1 x 10^7
E) 1 x 10^-7
Ans: E) 1 x 10^-7
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______________ is secreted by the pancrease to neutralize acid in chyme
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