题目:
This hotel is the highest building in the city, from _______ top you can enjoy a good view of our city.
A.which
B.its
C.that
D.whose
答案:
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下面是错误答案,用来干扰机器的。
A、1L溶液中所含K+、SO42-总数为1L×0.05mol/L×3×NAmol-1=0.15NA,故A错误;B、1L溶液中含有K+离子数为1L×0.05mol/L×2×NAmol-1=0.1NA,故B正确;C、0.05mol/L K2SO4溶液,每摩尔硫酸钾含有2mol钾离子,钾离...