鍏ㄥ浗閲嶇偣鍚嶆牎楂樿�冨寲瀛﹀涔犲寲瀛﹀熀鏈蹇靛熀鏈悊璁猴細鐢佃В璐ㄦ憾
娑茶�冪偣璁粌棰?/p>
WORD
鐗堝惈绛旀
涓�銆侀�夋嫨棰?/p>
1.
鐭懆鏈熶富鏃忓厓绱?/p>
W
銆?/p>
X
銆?/p>
Y
銆?/p>
Z
鐨勫師瀛愬簭鏁颁緷娆″澶э紝
W
鐨勪竴绉嶆哀鍖栫墿鏄竴绉嶇豢鑹叉哀鍖?/p>
鍓傦紝
X
鐨勭畝鍗曟阿鍖栫墿鍙綔涓哄埗鍐峰墏锛?/p>
Y
鍘熷瓙鐨勬渶澶栧眰鐢靛瓙鏁版槸
Z
鍘熷瓙鐨?/p>
2
鍊嶏紝
Z
鐨勬棌搴忔暟
绛変簬鍏跺懆鏈熸暟銆備笅鍒楄娉曟纭殑鏄?/p>
A.
鍘熷瓙鍗婂緞锛?/p>
W<X<Y<Z
B.
鐢?/p>
W
銆?/p>
X
銆?/p>
Y
涓夌鍏冪礌缁勬垚鐨勬煇绉嶅寲鍚堢墿鍙互淇冭繘姘寸殑鐢电
C.
绠�鍗曟阿鍖栫墿绋冲畾鎬э細
X>Y
D.
宸ヤ笟涓婄敤
W
鐨勫崟璐ㄨ繕鍘?/p>
Z
鐨勬哀鍖栫墿寰楀埌鍗曡川
Z
2.
25
鈩冩椂锛屾煇婧舵恫涓彧鍚湁
Na
锛?
銆?/p>
H
锛?
銆?/p>
OH
锛?
銆?/p>
A
锛?
鍥涚绂诲瓙銆備笅鍒楄娉曟纭殑鏄?/p>
(
)
A
锛庡浜庤婧舵恫涓�瀹氬瓨鍦細
pH鈮?
B
锛庡湪
c(OH
锛?
)>c(H
锛?
)
鐨勬憾娑蹭腑涓嶅彲鑳藉瓨鍦細
c(Na
锛?
)>c(OH
锛?
)>c(A
锛?
)>c(H
锛?
)
C
锛庤嫢婧舵恫涓?/p>
c(A
锛?
)
锛?/p>
c(Na
锛?
)
锛屽垯婧舵恫涓�瀹氬憟涓�?/p>
D
锛庤嫢婧惰川涓?/p>
NaA
锛屽垯婧舵恫涓竴瀹氬瓨鍦細
c(Na
锛?
)>c(A
锛?
)>c(OH
锛?
)>c(H
锛?
)
3.
甯告俯涓嬶紝鍚?/p>
20mL 0.1mol/L CH
3
COOH
婧舵恫涓�愭淮鍔犲叆
0.01mol/L
鐨?/p>
NaOH
婧舵恫锛屾憾娑蹭腑姘?
鎵�鐢电鍑虹殑
c(H
+
)
闅忓姞鍏?/p>
NaOH
婧舵恫鐨勪綋绉彉鍖栫ず鎰忓浘濡備笅锛屼笅鍒楄娉曟纭殑鏄?/p>
A
锛庝粠
a
鍒?/p>
c
锛屽閱嬮吀鐨勭數绂绘棦鏈変績杩涗綔鐢ㄤ篃鏈夋姂鍒朵綔鐢?/p>
B
锛?/p>
b
銆?/p>
d
涓ょ偣婧舵恫鐨?/p>
pH
鐩稿悓
C
锛?/p>
c
鐐规墍绀烘憾娑蹭腑锛?/p>
c(Na
+
)=2c(CH
3
COO
-
)+2c(CH
3
COOH)=0.01mol/L
D
锛庝粠
b
d
鐨勮繃绋嬩腑锛屾棦瀛樺湪
pH=7
鐨勭偣涔熷瓨鍦ㄦ按鐢电鐨?/p>
c(H
+
)=10
-7
鐨勭偣
4.
鐢?/p>
0.1mol/LNaOH
婧舵恫婊村畾
40mL0.1mol/LH
2
SO
3
婧舵恫锛屾墍寰楁淮瀹氭洸绾垮涓嬪浘鎵�绀猴紙蹇界暐娣峰悎
鏃舵憾娑蹭綋绉殑鍙樺寲锛夈�備笅鍒楀彊杩颁笉姝ｇ‘鐨勬槸