| 5 | 1/1 | 返回列表 |
| 查看: 2179 | 回復(fù): 5 | |||
| 當(dāng)前只顯示滿足指定條件的回帖,點(diǎn)擊這里查看本話題的所有回帖 | |||
ouyangxinlan鐵蟲 (小有名氣)
|
[交流]
【求助】求助硝酸加熱后有危險(xiǎn)嗎 已有5人參與
|
||
|
) a-Bi2O3. In the preparation of a-Bi2O3, Bi(NO3)35H2O (1.94 g, 4 mmol) was first dissolved in dilute HNO3 (1 mol L1 , 20 mL) to give a clear solution. Then NaOH (4 mol L1 , 80 mL) aqueous solution was added with continuous stirring. The suspension was heated and maintained at 60 1C for 6 h這個(gè)里面用1 mol L1 硝酸,還有4 mol L1氫氧化鈉和硝酸鉍加熱到60度,會(huì)有危險(xiǎn)嗎 |
金蟲 (正式寫手)
木蟲 (著名寫手)
金蟲 (正式寫手)
| 最具人氣熱帖推薦 [查看全部] | 作者 | 回/看 | 最后發(fā)表 | |
|---|---|---|---|---|
|
[考研] 22408 266求調(diào)劑 +3 | masss11222 2026-04-02 | 3/150 |
|
|---|---|---|---|---|
|
[考研] 理學(xué)07化學(xué) 303求調(diào)劑 +16 | 睿08 2026-03-27 | 17/850 |
|
|
[考研] 085600,材料與化工321分調(diào)劑 +8 | 大饞小子 2026-03-27 | 10/500 |
|
|
[考研] 324分 085600材料與化工 +20 | 呆鵝oor 2026-03-27 | 20/1000 |
|
|
[考研] 285求調(diào)劑 +11 | AZMK 2026-04-01 | 11/550 |
|
|
[考研] 材料調(diào)劑 +11 | 一樣YWY 2026-03-31 | 11/550 |
|
|
[考研] 322求調(diào)劑 +8 | 三水sss 2026-04-01 | 8/400 |
|
|
[考研] 288資源與環(huán)境專碩求調(diào)劑,不限專業(yè),有學(xué)上就行 +25 | lllllos 2026-03-30 | 26/1300 |
|
|
[考研] 0856調(diào)劑 +7 | 曲聽筠 2026-03-30 | 7/350 |
|
|
[考研] 材料科學(xué)與工程求調(diào)劑 +13 | 深V宿舍吧 2026-03-29 | 13/650 |
|
|
[考研] 346求調(diào)劑 一志愿070303有機(jī)化學(xué) +11 | 蘿卜燉青菜 2026-03-28 | 12/600 |
|
|
[考研] 求調(diào)劑 +8 | 11ggg 2026-03-30 | 8/400 |
|
|
[考研] 269求調(diào)劑 +4 | 我想讀研11 2026-03-31 | 4/200 |
|
|
[考研] 279求調(diào)劑 +12 | j的立方 2026-03-29 | 12/600 |
|
|
[考研] 293求調(diào)劑 +3 | 末未mm 2026-03-30 | 5/250 |
|
|
[考研] 086000生物與醫(yī)藥調(diào)劑 +5 | Feisty。 2026-03-28 | 9/450 |
|
|
[考研] 279求調(diào)劑 +4 | 蝶舞輕繞 2026-03-29 | 4/200 |
|
|
[考研] 305求調(diào)劑 +8 | RuiFairyrui 2026-03-28 | 8/400 |
|
|
[考研] 11408軟件工程求調(diào)劑 +3 | Qiu學(xué)ing 2026-03-28 | 3/150 |
|
|
[考研] 316求調(diào)劑 +7 | 江辭666 2026-03-26 | 7/350 |
|