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【单选题】
下列混合溶液中,缓冲能力最强的是 ( )
A.
0.5 mol/LNH 3 · H 2 O- 0.5 mol/LNH 4 Cl 的溶液
B.
0.1 mol/L NH 3 • H 2 O – 0.1 mol/L NH 4 Cl 的溶液
C.
1.0 mol/L HCl – 0.1 mol/L NaAc 的溶液
D.
0.5 mol/L NH 4 Cl – 0.5 mol/L HCl 的溶液
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【简答题】阅读理解。 John Hunter had three advantages.He had a brother who was a doctor and he thus able to learn about diseases and their effects.His natural curiosity led him to observe and study the lives of wild...
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