鍒嗘瀽鍖栧绗簲鐗堜笅鍐岀瓟妗堢瓟妗?
銆愮瘒涓�锛氱浜旂増鍒嗘瀽鍖栧涓婂唽璇惧悗绛旀銆?/p>
鎽?/p>
:
鍒嗘瀽鍖栧绗簲鐗堜笅鍐岀瓟妗堢瓟妗?/p>
)
鏋愬寲瀛︽璁?/p>
绗?/p>
2
绔?/p>
鍒嗘瀽璇曟牱鐨勯噰闆嗕笌鍒跺
绗?/p>
3
绔?/p>
鍒嗘瀽鍖栧涓殑璇樊涓庢暟鎹鐞?/p>
绗?/p>
4
绔?/p>
鍒嗘瀽璐ㄩ噺鐨勬帶鍒朵笌淇濊瘉
绗?/p>
5
绔?/p>
閰哥⒈骞宠 鍜岄吀纰辨淮瀹氭硶
mbe
锛?/p>
c2=[cl-] (1) [nh3]+[nh4+]=c1+c2(2)
cbe:[h+]+[nh4+]=[oh-]+[cl-] (3)
灏嗭紙
1
锛変唬鍏ワ紙
3
锛?/p>
璐ㄥ瓙鏉′欢寮忎负锛?/p>
[ h+ ] + [nh4+] = c2 + [oh-]
瑙ｏ細
a.
瀵逛簬鍏辫江浣撶郴锛岀敱浜庢瀯鎴愪簡缂撳啿婧舵恫锛屾墍浠ュ彲浠ュ皢鍏惰涓虹敱
寮洪吀锛?/p>
hcl
鍜屽急纰憋紙
nh3
锛夊弽搴旇�屾潵锛屾墍浠ュ弬鑰冩按鍑嗛�変负
hcl, nh3
鍜?/p>
h2o
璐ㄥ瓙鏉′欢寮忎负锛?/p>
[ h+ ] + [nh4+] = [cl-] + [oh-]
鍗?/p>
[ h+ ] +
[nh4+] = c2 + [oh-] b.c1 m naoh+c2 m h3bo3
缁勫悎娉?/p>
mbe
锛?/p>
c1=[na+] (1) [h3bo3]+[b(oh)4-]=c2 (2)
cbe:[na+]+[h+]=[b(oh)4-]+[oh-] (3)
灏嗭紙
1
锛変唬鍏ワ紙
3
锛?/p>
璐ㄥ瓙鏉′欢寮忎负锛?/p>
[ h+ ] + c1 = [b(oh)4-] + [oh-]
b.
鍙傝�冩按鍑嗛�変负
naoh, h3bo3
鍜?/p>
h2o
c.
鐩存帴鍙栧弬鑰冩按骞筹細
h3po4
, hcooh , h2o
璐ㄥ瓙鏉′欢寮忥細
[h+] = [h2po4-] + 2[hpo42-] + 3[po43-] + [hcoo-]+[oh-] d. 0.01 m
fecl3
mbe
锛?/p>
[cl-] = 0.03(1)
(2)
cbe:
璐ㄥ瓙鏉′欢寮忎负锛?/p>
(3)
9.
瑙ｏ細
宸茬煡
p ka=5.30
锛?/p>
ph=5.60
璁惧師缂撳啿婧舵恫涓洂鐨勬祿搴︿负
x mol/l
锛?/p>
鏁?/p>
锛?/p>
mol/l
锛?/p>
寰?/p>
x=0.35