题干

已知30℃时,氯酸钾的溶解度是10克,现欲配制55克氯酸钾的饱和溶液,需用氯酸钾固体和水各多少克?

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答案(点此获取答案解析)

解:30℃时,氯酸钾的溶解度是10克,故该温度下饱和溶液溶质质量分数为1010010
g
g
+
g
×100%;
所以该温度下55克氯酸钾

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阅读下面的短文,根据短文内容及首字母提示,在短文空白处填入一个恰当的词,使短文内容完整、通顺,并将所填单词填写在答题卡上相应的题号后。

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    Take a moment to do a small thing for your kids. It won't s____ small to them.