反应Cl2+2NaOH====NaCl+NaClO+H2O的变化中,当产生23.4 g NaCl时,转移电子总数是( ) A.1.204×1024个 B.6.02×1023个 C.4.816×1023个 D.2.408×1023个 答案:D解析:23.4 g NaCl即为=0.4 mol,该反应中转移电子情况是:故产生23.4 g NaCl时,转移电子0.4 mol。
-Why do you like Mary?
-Because she is ________ honest girl.
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A.a
B.an
C.the