問題詳情

15. A 10-mL sample of tartaric acid (

) is titrated to a phenolphthalein endpoint with 20. mL of 1.0 M NaOH. What is the molarity of the acid?

(A) 0.5
(B) 1.0
(C) 2.0
(D) 4.0
(E) impossible to determine

參考答案

答案：99

統計：A:0,B:0,C:0,D:0,E:0

難度：計算中