the ph of a sample of blood is 7.4. the ph of a sample of gastric juice is 1.4.

Question

the ph of a sample of blood is 7.4. the ph of a sample of gastric juice is 1.4. the blood sample has: a)5.29 times lower H+ concentration than the gastric juice b)6 times lower H+. c) 6000 times lower. d)a million times lower. e)0.189 times lower the ph of a sample of blood is 7.4. the ph of a sample of gastric juice is 1.4. the blood sample has: a)5.29 times lower H+ concentration than the gastric juice b)6 times lower H+. c) 6000 times lower. d)a million times lower. e)0.189 times lower the ph of a sample of blood is 7.4. the ph of a sample of gastric juice is 1.4. the blood sample has: a)5.29 times lower H+ concentration than the gastric juice b)6 times lower H+. c) 6000 times lower. d)a million times lower. e)0.189 times lower

Explanation / Answer

pH of blood is 7.4

pH= -log10 [H+] = [H+]blood= 10-7.4

= 3.98* 10-8

pH of gastric juice is 1.4. [H+]gastric juice = 10-1.4

= 3.98 * 10-2

So, it is 6000 times lower (option c)

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