已知 E Θ (Zn 2+ /Zn), 为了测量 E Θ (Fe 2+ /Fe), 可采用下列哪一种原电池 prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
A.
(-)Zn(s)|Zn 2+ (l.0 mol/kg)⁞⁞Fe 2+ (1.0 mol/kg)|Fe(s)(+)
B.
(-)Zn(s)|Zn 2+ (1.0 mol/kg)⁞⁞H + (l.0 mol/kg) |H 2 (100kPa)|Pt(+) prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>
C.
(-)Fe(s)|Fe 3+ (1.0 mol/kg) ⁞⁞Zn 2+ ( 1.0 mol/kg) |Zn(s)(+)
D.
(-)Fe(s) | Fe 2+ (1.0 mol/kg) ⁞⁞ H + (1.0mol/kg) |H 2 (100kPa) |Pt(+) prefix="o" ns="urn:schemas-microsoft-com:office:office" ?xml:namespace>