如下图是小明配制100g质量分数为18.5%的食盐溶液的实验操作示意图

如下图是小明配制100g质量分数为18.5%的食盐溶液的实验操作示意图:

食盐

 

食盐

 


              

                                                

(1)配制上述溶液,小明要称取食盐              g

(2)上图①、②、④相同的仪器名称是              

(3)用上图所示的序号表示正确配制该溶液的操作顺序为                        

(4)将食盐和水依次倒入烧杯中,用玻璃棒搅拌,其目的是                     

(5)若上图③中砝码的质量15g,游码的读数3.5g,则小明称得的食盐质量实际为  _____g

答案

(1)18.5   (2)烧杯   (3) ⑤③①④②    (4)加速溶解    (5)11.5

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