7.將0.10 M碳酸(H2CO3)水溶液與0.10 M氫氧化鈉水溶液等體積混合,試問下列哪一個關係式是正確的?
(A)[H2CO3] = 0.050 M
(B)[OH-] = 0.050 M
(C) 2([H2CO3] + [HCO3-] + [CO32-]) = 0.050 M
(D)[Na+] + [H3O+] = [OH-] + [HCO3-.] + 2 [CO32-]
(A)[H2CO3] = 0.050 M
(B)[OH-] = 0.050 M
(C) 2([H2CO3] + [HCO3-] + [CO32-]) = 0.050 M
(D)[Na+] + [H3O+] = [OH-] + [HCO3-.] + 2 [CO32-]
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統計: A(24), B(24), C(30), D(100), E(0) #590572
統計: A(24), B(24), C(30), D(100), E(0) #590572