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Human Blood pH

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The pH of human blood is slightly basic. Which of the following is most likely to be the pH of human blood?
Choices:  10.6, 7.4, 7.0, 6.4, 4,6

asked Aug 18, 2017 in Biology by tony

1 Answer

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The correct answer is 7.4 . The question gives you the information that blood is slightly basic. 10.6 is very basic (recall that pH is a logarithmic scale), 7 is neutral, 6.4 is slightly acid, and of course 4.6 is the most acid of the five choices.

answered Aug 19, 2017 by Clarissa Millers