将 1 升 4 mol·L -1 氨水与 1 升 2 mol·L -1 盐酸溶液混合,混合后 OH - 离子浓度为( ) mol·L -1 K b (NH 3· H 2 O)=1.76×10 -5
A.
1.76×10 -5
B.
3.52×10 -5
C.
4.0
D.
8.0×10 -6
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举一反三
【单选题】If Country A gives most-favored-nation (MFN) treatment to Country B. This means that the tariff schedules applicable to Country A's imports from Country B
A.
have lower tariff rates than the rates applicable to other countries to which Country A grants MFN treatment.
B.
have the same tariff rates as the rates applicable to other countries to which Country A grants MFN treatment.
C.
have lower tariff rates than the rates applicable to any other country sending goods to Country