试题与答案

如图表示配制100mL0.100mol•L-1Na2CO3溶液的几个关键实验步骤

题型:问答题

题目:

如图表示配制 100mL 0.100mol•L-1 Na2CO3溶液的几个关键实验步骤和操作,据图回答下列问题:

(1)用托盘天平称取Na2CO3•10H2O 的质量是______.

(2)步骤E中将一玻璃仪器上下颠倒数次,该仪器的名称是______.

(3)步骤B通常称为转移,步骤A通常称为______.

(4)将上述实验步骤A→F按实验过程先后次序排列______.

答案:

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