鍓嶈█
鎴戜滑鍒嗘瀽姣忓勾鑰冧笂娓呭崕鍖楀ぇ鐨勫寳浜�冪敓鐨勬垚缁╋紝鍙戠幇鑳藉鑰冧笂娓呭寳鐨勫鐢熷寲瀛︾殑骞冲潎鍒嗛兘鍦?/p>
95
鍒嗕互涓婏紝鍏堝紑濮嬫垜浠涓猴紝瀛︿範鑳藉姏寮虹殑瀛╁瓙鍖栧涓�瀹氬寰楀ソ銆傚彲鏄湪鍒嗘瀽娌℃湁鑰冧笂娓呭寳鐨?/p>
瀛︾敓鐨勬垚缁╃殑鏃跺�欏彂鐜帮紝寰堝涓庢竻鍖楀け涔嬩氦鑷傜殑瀛︾敓锛屽寲瀛︾殑骞冲潎鍒嗚鐣ヤ綆锛屾暟瀛︾墿鐞嗙殑鍒嗘暟
鍗翠笉鐩镐笂涓嬨�傛垜浠粩缁嗚璁哄叾涓殑缂樼敱锛岄�氳繃瀵瑰鐢熺殑璋冩煡鐮旂┒鍙戠幇涓�涓护浜烘儕璁剁殑缁撹锛氬寲
瀛﹀鐨勫ソ鐨勫鐢熸洿瀹规槗鍦ㄧ悊缁间笂鑰冨緱楂樺垎锛?/p>
杩欐槸鍥犱负鍖栧瀛︾殑濂界殑瀛︾敓锛岃兘澶熺敤鏇村揩鐨勯�熷害鍦ㄧ悊缁艰�冭瘯涓В鍐?/p>
100
鍒嗙殑鍒嗗�硷紝涔嬪悗瀛?/p>
瀛愬彲浠ョ敤鏇村鐨勬椂闂村幓澶勭悊娌℃湁瑙佽繃鐨勭墿鐞嗛毦棰樸�傜墿鐞嗙殑闅鹃鍦ㄥ厖鍒嗙殑鏃堕棿涓緱鍒版洿澶氳�冭檻鐨?/p>
绌洪棿锛屼娇寰楄�冪敓鍦ㄧ悊缁兼�诲垎涓婅兘澶熸湁鎵�绐佺牬銆傛墍浠ユ兂涓婂ソ澶у锛屽寲瀛﹀繀椤诲濂斤紝鍖栧鐨勪娇鍛藉氨
鏄湪楂樿�冨綋涓府鍔╄�冪敓鎻愰�熸彁鍒嗐�?/p>
鍥犳杩欎唤璧勬枡鎻愪緵缁欏ぇ瀹朵娇鐢紝涓昏鍖呭惈鏈変竴浜涜浠跺拰涔犻鏁欐銆?/p>
鍚庡簭涓湁鎻愬埌涓�浜涘叧浜庡涔犵殑寤鸿銆?/p>
璇炬椂浣滀笟
28
鐩愮被鐨勬按瑙?/p>
鎺堣鎻愮ず锛氬搴斿鐢熺敤涔︾
349
椤?/p>
]
鍩虹棰樼粍
]
1
锛?/p>
(2017路
娴锋穩鍖鸿仈鑰?/p>
)
涓嬪垪杩囩▼鎴栫幇璞′笌鐩愮被姘磋В鏃犲叧鐨勬槸
(
)
A
锛庣函纰辨憾娑插幓娌规薄
B
锛庨搧鍦ㄦ疆婀跨殑鐜涓嬬敓閿?/p>
C
锛庡姞鐑隘鍖栭搧婧舵恫棰滆壊鍙樻繁
D
锛庢祿纭寲閽犳憾娑叉湁鑷懗
瑙ｆ瀽锛?/p>
A
椤癸紝绾⒈鍘绘补姹℃槸鍥犱负鍏舵按瑙ｄ娇婧舵恫鏄剧⒈鎬э紱
B
椤癸紝閾佺敓閿堜富瑕佹槸
Fe
鍦ㄦ疆婀跨幆澧冧笅鍙戠敓鐢靛寲瀛﹁厫铓�锛?/p>
涓庣洂绫绘按瑙ｆ棤鍏筹紱
C
椤癸紝
鍔犵儹姘寲閾佹憾娑叉椂淇冧娇
FeCl
3
姘磋В涓虹孩瑜愯壊鐨?/p>
Fe(OH)
3
鑳朵綋锛岄鑹插姞娣憋紝涓庣洂绫绘按瑙ｆ湁鍏筹紱
D
椤癸紝娴撶～鍖栭挔婧舵恫
鏈夎嚟鍛虫槸鍥犱负
Na
2
S
姘磋В浜х敓灏戦噺鐨?/p>
H
2
S
姘斾綋锛屼笌鐩愮被姘磋В鏈夊叧銆?/p>
绛旀锛?/p>
B
2
锛?/p>
(2017路
閮戝窞妯℃嫙
)0.1 mol路
L
锛?/p>
1
AlCl
3
婧舵恫锛屾俯搴︿粠
20
鈩冨崌楂樺埌
50
鈩冿紝娴撳害澧?/p>
骞呮渶澶х殑绂诲瓙鏄?/p>
(
)
A
锛?/p>
Cl
锛?/p>
B
锛?/p>
Al
3
锛?/p>
C
锛?/p>
H
锛?/p>
D
锛?/p>
OH
锛?/p>
瑙ｆ瀽锛?/p>
鍗囬珮娓╁害鏈夊埄浜?/p>
Al
3
锛?/p>
姘磋В锛屾憾娑茬殑閰告�у寮猴紝
c
(H
锛?/p>
)
澧炲ぇ銆?/p>
绛旀锛?/p>
C
3
锛?/p>
(2017路
鍜搁槼妯℃嫙
)A
锛?/p>
銆?/p>
B
锛?/p>
銆?/p>
C
锛?/p>
銆?/p>
D
锛?/p>
鍥涚绂诲瓙涓や袱缁勬垚鍥涚鍙憾鎬х洂锛屽叾涓細
AC
鍜?/p>
BD
鐩愭憾娑?/p>
pH
锛?/p>
7
锛?/p>
BC
鐩愭憾娑?/p>
pH>7
锛屽垯涓嬪垪璇存硶涓嶆纭殑鏄?/p>
(
)
A
锛?/p>
AD
鐩愭憾娑?/p>
pH<7
B
锛庡湪
AC
鐩愭憾娑蹭腑
c
(A
锛?/p>
)
锛?/p>
c
(AOH)
锛?/p>
c
(C
锛?/p>
)
锛?/p>
c
(HC)
C
锛庣⒈鐨勭數绂荤▼搴︿竴瀹氭槸锛?/p>
AOH>BOH
D
锛庨吀鐨勭數绂荤▼搴︿竴瀹氭槸锛?/p>
HD>HC
瑙ｆ瀽锛?/p>
鍦ㄧ洂绫绘按瑙ｄ腑锛岄伒寰?/p>
鈥?/p>
鏈夊急灏辨按瑙ｏ紝瓒婂急瓒婃按瑙ｏ紝璋佸己鏄捐皝鎬э紝鍚屽己鏄?/p>
涓�?/p>
鈥?/p>
鐨勮寰嬶紝
AC
銆?/p>
BD
鐩愭憾娑?/p>
pH
锛?/p>
7
锛岃鏄?/p>
AOH
涓?/p>
HC
銆?/p>
BOH
涓?/p>
HD
鐨勭數绂荤▼
搴︾浉褰擄紝鑰?/p>
BC
鐩愭憾娑?/p>
pH>7
锛岃鏄?/p>
BOH
姣?/p>
HC
鐨勭數绂荤▼搴﹀ぇ锛屾晠纰辩殑鐢电绋嬪害
AOH<BOH
锛岄吀鐨勭數绂荤▼搴?/p>
HD>HC
锛?/p>
C
椤归敊璇紝
D
椤规纭紱
AD
涓哄己閰稿急纰辩洂锛屾樉
閰告�э紝
A
姝ｇ‘锛涚敱鐗╂枡瀹堟亽鍙煡锛?/p>
B
椤规纭�?/p>
绛旀锛?/p>
C