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1 . 溶液酸碱度是通过
来计量的.
的计算公式为
,其中
表示溶液中氢离子的浓度,单位是摩尔/升.例如纯净水中氢离子的浓度为
摩尔/升,则纯净水的
是7.当
时,溶液呈酸性,当
时,溶液呈碱性,当
(例如:纯净水)时,溶液呈中性.我国规定饮用水的
值在
之间,则下列选项正确的是( )(参考数据:取
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1066e53bf79a3cdff7ec2934bd09e272.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1066e53bf79a3cdff7ec2934bd09e272.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfdf16918060dd62f8cf760b97225936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7574cf18289ca24d93fdfef0375e292b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7a32b431072943cbe43758b0fdce34d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1066e53bf79a3cdff7ec2934bd09e272.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e427750b072dde2311e3df570ab95b3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2215fdec72cd3ec824f34ccce57f406.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a316322ef211c0f478232054b070466.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1066e53bf79a3cdff7ec2934bd09e272.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e52cfb79fba48f7960432af0d326422.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf5114e1dbd4fc973e99293e1fdb3def.png)
A.若苏打水的![]() ![]() |
B.若胃酸中氢离子的浓度为![]() ![]() ![]() |
C.若海水的氢离子浓度是纯净水的![]() ![]() ![]() |
D.若某种水中氢离子的浓度为![]() |
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2024-01-11更新
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665次组卷
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3卷引用: 福建省莆田市第四中学2023-2024学年高一上学期期末联考数学试卷