已知
溶液的氢离子浓度是
溶液的氢离子的浓度的（ ）。
A: 1/8
B: 1/4
C: 1/2
D: 1/6
溶液的氢离子浓度是溶液的氢离子的浓度的（ ）。A: 1/8
B: 1/4
C: 1/2
D: 1/6
举一反三
- 已知<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/8457b345ea9b49eeb18bb8c96f12ada2.png" />的弱酸HA溶液有1 %的解离，它的解离常数约为（ ）。 A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/712c46dce9cf4c03a1e8ee3a352f2865.png" /> B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/ac530d5356c74bd1abbb0e569b211432.png" /> C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/f119e46f834349259008a7d9cf7e08ba.png" /> D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/b6aaf96672fb418eac27eff25192b8f0.png" />
- 如果一个氢原子的电离能是<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/4dcf071313154d0ea93225d9a406e985.png" />， 则一个<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/c89b325c3d164b7d9865e00605b006ca.png" /> 离子的电离能为（ ）。 A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/85d5e9042a93497abfa3bb96856e78d2.png" /> B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/4dcf071313154d0ea93225d9a406e985.png" /> C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/411f7e2e2ee84fe4982c3fad6b02ce4f.png" /> D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/4da15d5c01a442eb9bcb6fc2fd30f12e.png" />
- 对于下列已达平衡的反应体系，若压缩容器体积，增加体系总压力，平衡正向移动的是（ ）。 A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/326095eaba6d40a3bc4057c25f7eae82.png" /><img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/d5573e1b78574bdf970effa5e9509ef4.png" /><img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/c8f59ca38f9a41db94d913281b203ada.png" /> B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/41aeceac712749ada229b477082c26aa.png" /> <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/d5573e1b78574bdf970effa5e9509ef4.png" /> <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/0084729e370b40eab5afb29706560d04.png" /> C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/f92df5cfb06d4322aca5548a0937215a.png" /><img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/d5573e1b78574bdf970effa5e9509ef4.png" /><img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/8fd7733b85054932be29f9c24c10f538.png" /> D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/bfdf951768ce48989962f5ffbf5b8a97.png" /><img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/d5573e1b78574bdf970effa5e9509ef4.png" /><img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/6661619fa794442781036239c942bac3.png" />
- Z12-01-02.在匀强磁场中,有两个平面线圈,其面积<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/fd517dda88774d7ea84db8b1717c08eb.png" >,通有电流<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/8475b9c5847343639c4d11b61bb63cbd.png" >,它们所受的最大磁力矩之比<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/c8609aee65b64279994bacc403aaacc2.png" >等于() A: 4 B: 1 C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/7e1b17ff518a4b519442aacb596c4415.png" > D: 2
- 已知主、俯视图，若将主视图改为半剖视图，正确的是（）。<img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/e6416653b88a4158a0b1fa78a1b000d0.png" > A: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/aa82277795e04524a4d095bfb86f4f36.png" > B: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/bfa603b5c9924802a09b956f16ff13d6.png" > C: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/fff8cbcbe2244549b64dfa0b0a28d974.png" > D: <img src="https://image.zhihuishu.com/zhs/doctrans/docx2html/202008/56e50b15486c4d1cbc1076daf2f499fd.png" >