73. Consider mixing equal volume of 0.1 M Na2CO3 solution and 0.1 M H2SO4 solution. Which statement is correct?
(A) [H+ ] is less than 0.05 M
(B) [H+ ] is between 0.1 M and 0.05 M
(C) [H+ ] is 0.1 M
(D) [H+ ] is 0.2 M
(E) pH > 7
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統計: A(52), B(21), C(3), D(1), E(1) #2356359
統計: A(52), B(21), C(3), D(1), E(1) #2356359