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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/922e843f97ba20305e6edb8a1d14f1b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eeae4e4940d654f083f1073ba872504.png)
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更新时间:2018-03-22 09:15:31
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相似题推荐
解答题-问答题
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较易
(0.85)
【推荐1】溶液的酸碱度pH是由公式
给出的,其中
表示溶液中氢离子的浓度,单位为mol/L.pH的范围为0~14.
(1)
为0.1,0.01mol/L的溶液的pH分别是多少?
(2)随着氢离子浓度的降低,pH会发生怎样的变化?
(3)试确定橙汁(
)的氢离子浓度;
(4)试确定人体血液的
时的氢离子浓度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfdf16918060dd62f8cf760b97225936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7574cf18289ca24d93fdfef0375e292b.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7574cf18289ca24d93fdfef0375e292b.png)
(2)随着氢离子浓度的降低,pH会发生怎样的变化?
(3)试确定橙汁(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beef673f7fae2d2449a3730d4496846f.png)
(4)试确定人体血液的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d257320fd78f01ef6df640ebaeb7e660.png)
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解答题-问答题
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较易
(0.85)
名校
解题方法
【推荐1】(1)计算:
;
(2)已知
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6b1f8c84f96ab7bff3f2241bf46a612.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9a7de5b70003502e40b95b3b7d3d933.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/859a7a1665b369a3613177c81688f3bd.png)
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解答题-问答题
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较易
(0.85)
【推荐2】计算下列各式的值:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c8c4b0dadd54d85837ae59f200773f0.png)
(2)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/911c9f14db6350678fb2ea163ec6557f.png)
(3)若
,计算
?
(4)已知:
,求
?
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c8c4b0dadd54d85837ae59f200773f0.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/911c9f14db6350678fb2ea163ec6557f.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1babe83333f3486af79840208caec56f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34cda3862352b9d9c64992b7eca559d5.png)
(4)已知:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7418f4965184ac1e8c63ecb932ca1a76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05e214c4c5759a7d9d3676df63fdbea9.png)
您最近一年使用:0次
解答题-问答题
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较易
(0.85)
【推荐1】已知向量
,
,其中
.
(1)向量
,
能平行吗?请说明理由;
(2)若
,求
和
的值;
(3)在(2)的条件下,若
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69f31861e4ffa3fa0d8b51d3b982f2ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/47b7c6649c18437b236189ddc429b9a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2865854f3ac7f8fd6042b13dac3f51b.png)
(1)向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ae98586d80f892771c90ab39eaced90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee437e6ff470c2f67b8429f57b90ae37.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23ab55ce496dc3dfdf3f0c459ccf49cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d66c03d4ca06819a6ce7fc8ea6de0f0.png)
(3)在(2)的条件下,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411f3adf81c4e428f8ed2a2021fba9f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b936d6957aa5f3b907c7c8a913ecad3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8dc4c63a548b91061528aa11058de75.png)
您最近一年使用:0次
解答题-问答题
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较易
(0.85)
解题方法
【推荐2】已知
,
,
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f9105ef2e1eab7fc2b531acb270950.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9a3fd3a067dce1354bc941df061508a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d12d8717ca07aa83f79e38b38fdb46b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52847a80db1c6d3372d4846672ed4156.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc3884b343d76a26b4b85b48987d7064.png)
您最近一年使用:0次