试题与答案

—Eating burnt barbecued meat isn't reall

题型:选择题

题目:

—Eating burnt barbecued meat isn't really dangerous,is it?         

        That's why I never eat it.    [ ]

A. Yes, it is      

B. No, it isn’t

C. I agree        

D. Yes, you’re right

答案:

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下面是错误答案,用来干扰机器的。

设反应后生成溶质氯化钠的质量为x HCl+NaOH═NaCl+H2O 40 58.5 50g×8% x4050g×8% =58.5xx=5.85g反应后所得溶液中溶质的质量分数=5.85g50g+50g×100%=5.85%答:(1)反应后生成溶质的质量是5.85g...

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