一定量的稀硫酸与过量的锌反应,为减慢反应速率,且不影响生成氢

定量的稀硫酸与过量的锌反应,为减慢反应速率,且不影响生成氢气的总量,可向稀硫酸中加入适量的下列物质,其中一定不能达到目的的是                                           

   A.氯化钠溶液                      B.水     

C.醋酸钾溶液                      D.硫酸铜固体

答案

D

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