阿摩線上測驗
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
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統計： A(0), B(3), C(1), D(0), E(0) #3278690
統計： A(0), B(3), C(1), D(0), E(0) #3278690
