問題詳情

16. The pH of a blood sample is 7.4, while gastric juice is pH 1.4. Which of the following is true?  1) the [H+] in the blood sample is higher than in the gastric juice  2) the difference of [H+] between the gastric juice and the blood sample is one million times 3) the [H+] in a blood sample is lower than in the gastric juice  4) the difference of [H+] between the gastric juice and the blood sample is 5.29 times ) the difference of [H+] between the gastric juice and the blood sample is 6000 times
(A) 1,4
(B) 3,5
(C)2,3
(D) 1,
(E) 3,4

參考答案

答案：C
難度：計算中-1
書單：沒有書單，新增

用户評論

【按個讚】評論

(1)(3)pH值越低[H+]越多，gastric juice[H+]較多(2)(4)(5)pH值差1等於差10倍，本題兩者pH值差6，等於差1000000倍