常温下，将0.1mol?L-1 常温下，如果取0.1mol?L-1 HA溶液与0.1mol?...
\u5ba4\u6e29\u4e0b\uff0c\u5c060.1mol?L-1A\uff0eNaAlO2\u4e2d\u9010\u6ef4\u6ef4\u52a0\u786b\u9178\uff0c\u5148\u540e\u53d1\u751fAlO2-+H++H2O\u2550Al\uff08OH\uff093\u2193\u3001Al\uff08OH\uff093+3H+\u2550Al3++3H2O\uff0c\u5219\u56fe\u8c61\u5e94\u4e3a\uff0c\u6545A\u9519\u8bef\uff1bB\uff0eNa2CO3\u6eb6\u6db2\u4e2d\u9010\u6ef4\u6ef4\u52a0\u786b\u9178\uff0c\u4f9d\u6b21\u53d1\u751fCO32-+H+\u2550HCO3-\uff0cCO32-\u53cd\u5e94\u5b8c\u6bd5\uff0c\u53d1\u751f\u53cd\u5e94HCO3-+H+\u2550CO2\u2191+H2O\uff0c\u56fe\u8c61\u4e3a\uff0c\u6545B\u6b63\u786e\uff1bC\uff0e\u6c28\u6c34\u4e2d\u6ef4\u52a0\u786b\u9178\uff0c\u6eb6\u6db2pH\u9010\u6e10\u51cf\u5c0f\uff0c\u5b8c\u5168\u4e2d\u548c\u65f6\u53d1\u751fpH\u7684\u7a81\u53d8\uff0c\u6545C\u6b63\u786e\uff1bD\uff0e\u6c2f\u5316\u94a1\u6eb6\u6db2\u4e2d\u52a0\u5165\u786b\u9178\uff0c\u751f\u6210\u786b\u9178\u94a1\u548c\u76d0\u9178\uff0c\u6eb6\u6db2\u4f53\u79ef\u589e\u5927\uff0c\u7535\u8377\u6d53\u5ea6\u964d\u4f4e\uff0c\u6eb6\u6db2\u5bfc\u7535\u7387\u964d\u4f4e\uff0c\u6545D\u9519\u8bef\uff0e\u6545\u9009AD\uff0e
\u5e38\u6e29\u4e0b\uff0c\u7b49\u7269\u8d28\u7684\u91cf\u7684HA\u548cNaOH\u6070\u597d\u53cd\u5e94\u751f\u6210NaA\uff0c\u6df7\u5408\u6eb6\u6db2\u5448\u78b1\u6027\uff0c\u8bf4\u660eNaA\u4e3a\u5f3a\u78b1\u5f31\u9178\u76d0\uff0c\u5219HA\u4e3a\u5f31\u9178\uff0c\uff081\uff09A-\u6c34\u89e3\u5bfc\u81f4NaA\u6eb6\u6db2\u5448\u78b1\u6027\uff0c\u6c34\u89e3\u65b9\u7a0b\u5f0f\u4e3aA-+H2O?HA+OH-\uff0c\u6545\u7b54\u6848\u4e3a\uff1aA-+H2O?HA+OH-\uff1b\uff082\uff09\u6df7\u5408\u6eb6\u6db2\u4e2d\u6c34\u7535\u79bb\u51fa\u7684c\uff08OH-\uff09=Kwc(H+)=10?1410?8mol/L=10-6mol/L\u3001NaOH\u6eb6\u6db2\u4e2d\u7531\u6c34\u7535\u79bb\u51fa\u7684c\uff08OH-\uff09=c\uff08H+\uff09=10?140.1mol/L=10-13mol/L\uff0c\u6240\u4ee5\u6df7\u5408\u6eb6\u6db2\u4e2d\u7531\u6c34\u7535\u79bb\u51fa\u7684c\uff08OH-\uff09\uff1e0.1mol?L-1 NaOH\u6eb6\u6db2\u4e2d\u7531\u6c34\u7535\u79bb\u51fa\u7684c\uff08OH-\uff09\uff1b\u6545\u7b54\u6848\u4e3a\uff1a\uff1e\uff1b\uff083\uff09\u6eb6\u6db2\u4e2d\u5b58\u5728\u7535\u8377\u5b88\u6052\uff0c\u6839\u636e\u7535\u8377\u5b88\u6052\u5f97c\uff08Na+\uff09-c\uff08A-\uff09=c\uff08OH-\uff09-c\uff08H+\uff09=10-6mol/L-10-8mol/L=0.99\u00d710-6mol/L\uff0c\u6839\u636e\u8d28\u5b50\u5b88\u6052\u5f97c\uff08HA\uff09+c\uff08H+\uff09=c\uff08OH-\uff09\uff0c\u5219c\uff08OH-\uff09-c\uff08HA\uff09=c\uff08H+\uff09=10-8mol/L\uff0c\u6545\u7b54\u6848\u4e3a\uff1a0.99\u00d710-6 \uff1b10-8\uff1b\uff084\uff09NH4A\u6eb6\u6db2\u4e3a\u4e2d\u6027\uff0c\u8bf4\u660eHA\u7535\u79bb\u7a0b\u5ea6\u548c\u4e00\u6c34\u5408\u6c28\u7535\u79bb\u7a0b\u5ea6\u76f8\u7b49\uff0cHA\u6eb6\u6db2\u52a0\u5230Na2CO3\u6eb6\u6db2\u4e2d\u6709\u6c14\u4f53\u653e\u51fa\uff0c\u8bf4\u660eHA\u9178\u6027\u5927\u4e8e\u78b3\u9178\uff0c\u5373HA\u7535\u79bb\u7a0b\u5ea6\u5927\u4e8e\u78b3\u9178\uff0c\u6240\u4ee5\u94f5\u6839\u79bb\u5b50\u6c34\u89e3\u7a0b\u5ea6\u5c0f\u4e8e\u5f31\u9178\u6839\u79bb\u5b50\uff0c\u6eb6\u6db2\u5448\u78b1\u6027\uff0c\u5219pH\uff1e7\uff0c\u6545\u7b54\u6848\u4e3a\uff1a\uff1e\uff0e
0.1mol?L-1盐酸溶液中氢离子浓度为0.1mol/L，0.06mol?L-1氢氧化钡溶液中氢氧根离子浓度为：0.12mol/L，两溶液等体积混合后氢氧根离子过量，设溶液体积为VL，则反应后溶液中氢氧根离子浓度为：| 0.12mol/L×VL?0.1mol/L×VL |
| 2V |
| 1×10?14 |
| 0.01 |
溶液的pH为12，
故选C．
绛旓細L -1 =0.06mol锛孒 + 鐨勭墿璐ㄧ殑閲忎负0.06mol脳2=0.12mol锛屽垯褰撻吀纰卞彂鐢熶腑鍜屾椂H + 鍜孫H - 鐨勭墿璐ㄧ殑閲忓垎鍒负0.12mol鍜0.1mol锛鍒欑～閰歌繃閲忥紝杩囬噺鐨凥 + 鐨勭墿璐ㄧ殑閲忎负0.12mol-0.1mol=0.02mol锛屽垯鍙嶅簲鍚庢憾娑蹭腑H + 鐨勭墿璐ㄧ殑閲忔祿搴︿负c锛圚 + 锛= 0.02mol 2L =0.01mol?L...
绛旓細L-1鐩愰吀婧舵恫涓阿绂诲瓙娴撳害涓0.1mol/L锛0.06mol?L-1姘㈡哀鍖栭挕婧舵恫涓阿姘ф牴绂诲瓙娴撳害涓猴細0.12mol/L锛屼袱婧舵恫绛変綋绉贩鍚堝悗姘㈡哀鏍圭瀛愯繃閲忥紝璁炬憾娑蹭綋绉负VL锛屽垯鍙嶅簲鍚庢憾娑蹭腑姘㈡哀鏍圭瀛愭祿搴︿负锛0.12mol/L脳VL?0.1mol/L脳VL2V=0.01mol/L锛屾憾娑蹭腑姘㈢瀛愭祿搴︿负锛1脳10?140.01mol/L=1脳10-12mol...
绛旓細B 璇曢鍒嗘瀽锛氱～閰告槸浜屽厓寮洪吀锛屾憾娑蹭腑姘㈢瀛愮殑娴撳害鏄0.12mol/L锛鎵浠ョ～閰告槸杩囬噺鐨勶紝鍒欏弽搴斿悗婧舵恫涓阿绂诲瓙鐨勬祿搴︽槸 锛屾墍浠H锛2锛岀瓟妗堥塀銆傜偣璇勶細璇ラ鏄珮鑰冧腑鐨勫父瑙侀鍨嬶紝灞炰簬鍩虹鎬ц瘯棰樼殑鑰冩煡銆傝棰橀毦搴︿笉澶э紝瀛︾敓涓嶉毦寰楀垎銆傝棰樼殑鍏抽敭鏄鍏堝垽鏂嚭纭吀杩囬噺锛岀劧鍚庣洿鎺ュ垪寮忚绠楀嵆鍙
绛旓細C 璇曢鍒嗘瀽锛氭阿姘у寲閽℃槸浜屽厓寮虹⒈锛屾墍浠ユ阿姘у寲閽℃槸杩囬噺鐨勶紝鍒欏弽搴斿悗OH 锛 鐨勬祿搴︽槸 銆傚垯鏍规嵁姘寸殑绂诲瓙绉父鏁板彲鐭ワ紝婧舵恫涓阿绂诲瓙鐨勬祿搴︽槸1脳10 锛12 mol/L锛鎵浠H锛12锛岀瓟妗堥塁銆傜偣璇勶細璇ラ鏄珮鑰冧腑鐨勫父瑙佽冪偣锛屽睘浜庝腑绛夐毦搴︾殑璇曢銆傝棰樼殑鍏抽敭鏄鍏堝垽鏂吀纰辩殑杩囬噺闂锛岀壒鍒渶瑕佹敞鎰忕殑鏄紝濡...
绛旓細1410?8mol/L=10-3 mol/L锛0.1mol/L锛鎵浠A鏄急閰革紝A锛巔H=3鐨凥A娴撳害澶т簬pH=11鐨凬aOH婧舵恫娴撳害锛岀瓑浣撶Н娣峰悎HA鏈夊墿浣欙紝婧舵恫鍛堥吀鎬э紝鍒檆锛圚+锛夛紴c锛圤H-锛夛紝鏁匒閿欒锛汢锛庢贩鍚堟憾娑蹭腑婧惰川涓虹瓑鐗╄川鐨勯噺娴撳害鐨凬aA鍜孒A锛屾憾娑蹭腑瀛樺湪鐢佃嵎瀹堟亽鍜岀墿鏂欏畧鎭掞紝鏍规嵁鐢佃嵎瀹堟亽寰梒锛圢a+锛+c锛圚+锛=c锛圓c-...
绛旓細瀵广甯告俯涓嬶紝灏H2S閫氬叆鍒版按涓揪鍒伴ケ鍜屾椂锛屾鏃舵憾娑叉祿搴︿负0.1mol/L
绛旓細閫塂 瑙ｆ瀽锛氾紙1锛変竴鍏冨己閰稿锛欻Cl锛宑(H+)=0.1mol/L锛PH=1 锛2锛変簩鍏冨己閰稿锛欻2SO4锛宑(H+)=0.2mol/L锛孭H<1 锛3锛夊急閰稿锛欳H3COOH锛宑(H+)<0.1mol/L锛孭H>1 鎵浠ラ兘鏈夊彲鑳斤紝鍙兘閫塂 甯屾湜鑳藉府鍒颁綘
绛旓細L-1锛屾墍浠ユ憾娑茬殑pH=3锛屾晠绛旀涓猴細3锛涳紙2锛塸H=11鐨凬aOH婧舵恫涓璫锛圤H-锛=10-3mol?L-1锛HA鏄急閰革紝閰哥殑娴撳害杩滆繙澶т簬姘㈢瀛愭祿搴︼紝鎵浠H=3鐨凥A涓巔H=11鐨凬aOH婧舵恫绛変綋绉贩鍚堝悗锛屾憾娑蹭腑鐨勬憾璐ㄦ槸閰稿拰鐩愶紝婧舵恫鍛堥吀鎬э紝鎵浠ユ憾娑蹭腑姘㈢瀛愭祿搴﹀ぇ浜庢阿姘ф牴绂诲瓙娴撳害锛岄吀鏍圭瀛愭祿搴﹀ぇ浜庨挔绂诲瓙娴撳害锛屾憾娑蹭腑4绉...
绛旓細140.1mol/L=10-13 mol/L锛屾墍浠ユ贩鍚堟恫涓敱姘寸數绂诲嚭鐨凮H-娴撳害涓0.1mol?L-1NaOH婧舵恫涓敱姘寸數绂诲嚭鐨凮H-娴撳害涔嬫瘮=10-6 mol/L锛10-13 mol/L=107锛1锛屾晠绛旀涓猴細107锛1锛涳紙2锛夋牴鎹毦婧剁數瑙ｈ川鐨勬憾搴︾Н甯告暟鐭ワ紝婧舵恫涓～閰告牴绂诲瓙娴撳害瓒婂ぇ锛岀～閰搁挕鐨勬憾瑙ｅ害瓒婂皬锛岄挕绂诲瓙娴撳害瓒婁綆锛屾阿姘у寲閽¤兘...
绛旓細锛 锛=10 -11 mol路L 锛1 锛鍒檆锛圚 锛 锛=10 -3 mol路L 锛1 锛屾墍浠ユ憾娑茬殑pH=3锛涙阿绂诲瓙娴撳害灏忎簬閰哥殑娴撳害锛屾墍浠ヨ閰告槸寮遍吀锛岃閰革紙HA锛変笌NaOH婧舵恫鍙嶅簲鐨勭瀛愭柟绋嬪紡涓猴細HA+OH 锛 鈺怉 锛 +H 2 O锛庢晠绛旀涓猴細3锛汬A+OH 锛 鈺怉 锛 +H 2 O锛 鈶H=11鐨凬aOH婧舵恫涓璫锛圤H 锛 锛...
