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14. 在 25.0 °C 下,已知體積莫耳濃度為 0.05 M 之弱鹼水溶液其 pH 值為 8.0。請問此弱鹼的 Kb 值為何? (A) 2.0 × 10–15 (B) 1.8 × 10–15 (C
問題詳情
14. 在 25.0 °C 下,已知體積莫耳濃度為 0.05 M 之弱鹼水溶液其 pH 值為 8.0。請問此弱鹼的 Kb
值為何?
(A) 2.0 × 10–15
(B) 1.8 × 10–15
(C) 2.0 × 10–11
(D) 1.3 × 10–11
參考答案
答案:C
統計:A:8,B:0,C:59,D:4,E:0
難度:非常簡單
用户評論
【
陳柏昌
】評論
6 = 1/2 (pKb- log0.05)
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