18. A solution containing 10. mmol of
and 5.0 mmol of
is titrated with 1.0 M HCl. What volume of HCl must be added to reach the first equivalence point?
(A) 5.0 mL
(B) 10.0 mL
(C) 15.0 mL
(D) 20.0 mL
(E) 25.0 mL
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統計: A(0), B(2), C(0), D(1), E(1) #3278693
統計: A(0), B(2), C(0), D(1), E(1) #3278693