一个有效的工具变量必需满足下列两个条件：
A: [img=248x25]18032fe755e1d53.png[/img]
B: [img=248x25]18032fe760b747f.png[/img]
C: [img=248x25]18032fe76c537d8.png[/img]
D: [img=248x25]18032fe7772ce09.png[/img]1
A: [img=248x25]18032fe755e1d53.png[/img]
B: [img=248x25]18032fe760b747f.png[/img]
C: [img=248x25]18032fe76c537d8.png[/img]
D: [img=248x25]18032fe7772ce09.png[/img]1
举一反三
- 一个有效的工具变量必需满足下列两个条件： A: [img=248x25]1803831f151be27.png[/img] B: [img=248x25]1803831f2153861.png[/img] C: [img=248x25]1803831f2d93369.png[/img] D: [img=248x25]1803831f3904aa4.png[/img]1
- 一个有效的工具变量应满足如下两个条件： A: [img=238x25]18032fe1cdc7bb0.png[/img] B: [img=248x25]18032fe1d90f95b.png[/img] C: [img=248x25]18032fe1e3a2d10.png[/img] D: [img=248x25]18032fe1ee4f921.png[/img]
- 一个有效的工具变量应满足如下两个条件： A: [img=238x25]18032fe211d16fa.png[/img] B: [img=248x25]18032fe21c848f1.png[/img] C: [img=248x25]18032fe226e44a9.png[/img] D: [img=248x25]18032fe2324b4e2.png[/img]
- 一个有效的工具变量应满足如下两个条件： A: [img=238x25]1803831b3d6eca3.png[/img] B: [img=248x25]1803831b4757fd4.png[/img] C: [img=248x25]1803831b5229971.png[/img] D: [img=248x25]1803831b5d14961.png[/img]
- 原电池（-）Pt︱Fe[img=17x22]1803dd54de61136.png[/img](1 mol·L[img=17x22]1803dd54e7299c0.png[/img]),Fe[img=17x22]1803dd54f0030fb.png[/img](1 mol·L[img=17x22]1803dd54fa39c0d.png[/img])‖Ce[img=17x22]1803dd5502f9d6b.png[/img]( mol·L[img=17x22]1803dd550b82a7d.png[/img]) ,Ce[img=17x22]1803dd55130efd2.png[/img]( mol·L[img=17x22]1803dd551af174c.png[/img]) ︱Pt(+)的电池反应是( )。 A: Ce[img=17x22]1803dd552375aee.png[/img] + Fe[img=17x22]1803dd552ca7541.png[/img] = Ce[img=17x22]1803dd5534dbdef.png[/img] + Fe[img=17x22]1803dd553dc33d1.png[/img] B: Ce[img=17x22]1803dd552375aee.png[/img] + Fe[img=17x22]1803dd553dc33d1.png[/img] = Ce[img=17x22]1803dd5534dbdef.png[/img] + Fe[img=17x22]1803dd552ca7541.png[/img] C: Ce[img=17x22]1803dd5534dbdef.png[/img] + Fe[img=17x22]1803dd553dc33d1.png[/img] = Ce[img=17x22]1803dd552375aee.png[/img] + Fe[img=17x22]1803dd552ca7541.png[/img] D: Ce[img=17x22]1803dd5534dbdef.png[/img] + Fe[img=17x22]1803dd552ca7541.png[/img] = Ce[img=17x22]1803dd552375aee.png[/img] + Fe[img=17x22]1803dd553dc33d1.png[/img]