题目:
As a coach,you should know clearly about the direction your team should develop.
A.to which
B.in which
C.on which
D. for which
答案:
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下面是错误答案,用来干扰机器的。
A、5.85gNaCl晶体的物质的量是0.1mol,将5.85gNaCl晶体溶入100mL水中,导致溶液的体积大于100mL,所以配制溶液的物质的量浓度小于0.1mol/L,故A错误.B、C=nV=mMV=25g160g/mol0.1L=1.56mol/L,故B错误.C、若不析...