姹熻タ鐪佸叓鎵�閲嶇偣涓鐩熸牎
2016
灞婇珮涓夎仈鍚?/p>
妯℃嫙鑰冭瘯鍖栧璇曢
鍙兘鐢ㄥ埌鐨勭浉瀵瑰師瀛愯川閲忥細
H-1
B-11
C-12
O-16
N-14
S-32
Na-23
Mg-24
Ba-137
Ca-40
Mn-55
Fe-56
7.
涓嬪垪璇存硶姝ｇ‘鐨勬槸锛?/p>
锛?/p>
A
锛庡ぇ鍒嗗瓙鍖栧悎鐗╂补鑴傚湪浜轰綋鍐呮按瑙ｄ负姘ㄥ熀閰稿拰鐢樻补绛夊皬鍒嗗瓙鎵嶈兘琚惛鏀?/p>
B
锛庣幇浠ｇ鎶�宸茬粡鑳藉鎷嶅埌姘㈤敭鐨?/p>
鈥?/p>
鐓х墖
鈥?/p>
锛岀洿瑙傚湴璇佸疄浜嗘按鍒嗗瓙闂寸殑姘㈤敭鏄竴涓按鍒嗗瓙涓殑
姘㈠師瀛愪笌鍙︿竴涓按鍒嗗瓙涓殑姘у師瀛愰棿褰㈡垚鐨勫寲瀛﹂敭
C
锛庢垜鍥藉凡鑳藉埄鐢?/p>
3D
鎵撳嵃鎶�鏈紝浠ラ挍鍚堥噾绮夋湯涓哄師鏂欙紝閫氳繃婵�鍏夌啍鍖栭�愬眰鍫嗙Н锛屾潵鍒堕�犻
鏈洪挍鍚?/p>
閲戠粨鏋勪欢锛岄珮娓╂椂鍙敤閲戝睘閽犺繕鍘熺浉搴旂殑姘寲鐗╂潵鍒跺彇閲戝睘閽?/p>
D
锛庣敤娲绘�х偔涓虹硸娴嗚劚鑹插拰鐢ㄦ姘吀鐩愭紓鐧界焊娴嗙殑鍘熺悊鐩稿悓
8. N
A
琛ㄧず闃夸紡鍔犲痉缃楀父鏁帮紝涓嬪垪鏈夊叧鍙欒堪姝ｇ‘鐨勬槸锛?/p>
锛?/p>
鈶?/p>
1mol
鑻箼鐑腑鍚湁鐨勭⒊纰冲弻閿暟涓?/p>
4N
A
鈶?/p>
6.2g
姘у寲閽犲拰
7.8g
杩囨哀鍖栭挔鐨勬贩鍚堢墿涓惈鏈夌殑绂诲瓙鎬绘暟涓?/p>
0.6N
A
鈶?/p>
3.4gNH
3
涓惈
N
鈥?/p>
H
閿暟鐩负
0.2
N
A
鈶ｅ父娓╀笅
1L 0.5mol/L NH
4
Cl
婧舵恫涓?/p>
2L 0.25mol/L NH
4
Cl
婧舵恫鎵�鍚?/p>
NH
4
+
鐨勬暟鐩浉鍚?/p>
鈶ゅ父娓╀笅
4.6gNO
2
鍜?/p>
N
2
O
4
娣峰悎姘斾綋涓墍鍚師瀛愭�绘暟涓?/p>
3
N
A
鈶ョ瓑浣撶Н銆佹祿搴﹀潎涓?/p>
1mol/L
鐨勭７閰稿拰鐩愰吀锛岀數绂诲嚭鐨勬阿绂诲瓙鏁颁箣姣斾负
3:1
鈶?/p>
1mol
閾佺矇鍦?/p>
1mol
姘皵涓厖鍒嗙噧鐑э紝澶卞幓鐨勭數瀛愭暟涓?/p>
3N
A
鈶ч珮娓╀笅锛?/p>
16.8 g Fe
涓庤冻閲忔按钂告皵瀹屽叏鍙嶅簲澶卞幓
0.8
N
A
涓數瀛?/p>
A
锛庘憼鈶ｂ懄
B
锛庘憽鈶も懅
C
锛庘憽鈶⑩懀鈶?/p>
D
锛庘憼鈶♀懀鈶も懄
9.
鍦ㄦ煇娓╁害鏃讹紝灏?/p>
n mol鈥
-1
姘ㄦ按婊村叆
10mL
1.0 mol鈥
锛?/p>
1
鐩愰吀涓紝
婧舵恫
pH
鍜屾俯搴﹂殢鍔犲叆姘ㄦ按浣撶Н鍙樺寲鏇茬嚎濡傚彸鍥炬墍绀猴紝涓嬪垪鏈夊叧璇?/p>
娉曟纭殑鏄?/p>
锛?/p>
锛?/p>
A.a
鐐?/p>
Kw
=1.0脳
10
锛?/p>
14
B.
姘寸殑鐢电绋嬪害锛?/p>
b > c > a> d
C.b
鐐癸細
C(NH
4
+
) > C(Cl
锛?
) > C(H
+
) > C(OH
锛?
)
D.25
鈩冩椂
NH
4
Cl
姘磋В甯告暟涓猴紙
n-1
锛?/p>
脳
10
锛?
7
mol鈥
锛?
1
锛堢敤
n
琛ㄧず锛?/p>