单项选择题
A.氨水中加入HCl B.盐酸中加入H2SO4 C.氨水中加入NaOH D.醋酸中加入NaOH
A.12.1g/L B.12.2g/L C.12.3g/L D.12.5g/L
A.5.0g B.9.0g C.10.0g D.18.0g
A.1mol/L B.0.1mol/L C.0.01mol/L D.10mol/L
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