电解饱和食盐水，当阴极附近有0.8mol NaOH 生成时，导线中通过电子的物质的量是( ) 什么
\u7535\u89e3\u9971\u548c\u98df\u76d0\u6c34\uff0c\u5f53\u9634\u6781\u9644\u8fd1\u67090.8mol NaOH\u751f\u6210\u65f6\uff0c\u5bfc\u7ebf\u4e2d\u901a\u8fc7\u7535\u5b50\u7684\u7269\u8d28\u7684\u91cf\u662f\u7535\u89e3\u9971\u548c\u98df\u76d0\u6c34\uff0c\u9634\u6781\u4e0a\u7684\u7535\u6781\u53cd\u5e94\u5f0f\u4e3a2H++2e-\u2550H2\u2191\uff0c\u5f53\u9634\u6781\u9644\u8fd1\u67090.8mol NaOH\u751f\u6210\uff0c\u53730.8mol OH-\u751f\u6210\u65f6\uff0c\u8bf4\u660e\u5728\u8be5\u6781\u4e0a\u51cf\u5c11\u7684\u6c22\u79bb\u5b50\u4e3a0.8mol\uff0c\u6240\u4ee5\u4f1a\u8f6c\u79fb\u7535\u5b500.8mol\uff0e\u6545\u9009\uff1aB\uff0e
\u9634\u6781\u5904\u662f\u9633\u79bb\u5b50\u5f97\u5230\u7535\u5b50\uff0c\u6b64\u9898\u4e2d\uff0c\u662f\u6c22\u79bb\u5b50\uff0c\u6c22\u79bb\u5b50\u6765\u81ea\u6c34\u7684\u7535\u79bb\uff0c\u6709\u591a\u5c11\u6c22\u79bb\u5b50\u5f97\u7535\u5b50\u5c31\u6709\u591a\u5c11\u7684\u6c22\u6c27\u6839\u751f\u6210\uff08\u6c34\u5206\u5b50\u662f\u7531\u4e00\u4e2a\u6c22\u79bb\u5b50\u548c\u4e00\u4e2a\u6c22\u6c27\u6839\u7ec4\u6210\uff09\u6240\u4ee5\u67090.8\u6469\u5c14\u7684\u6c22\u79bb\u5b50\u5f97\u7535\u5b50\u6bcf\u4e00\u4e2a\u6c22\u79bb\u5b50\u5f97\u4e00\u4e2a\u7535\u5b50\uff0c\u6545\u67090.8\u6469\u5c14\u7684\u7535\u5b50\u6d41\u5411\u9634\u6781\uff0c\u5bfc\u7ebf\u4e2d\u901a\u8fc7\u4e860.8\u6469\u5c14\u7684\u7535\u5b50
0.80.4，有两种离子，na+和cl-
绛旓細2Cl- - 2e 鈫 Cl2鈫 涓庣數婧愯礋鏋佺浉杩炵殑鏄闃存瀬锛闃崇瀛愬湪闃存瀬鏀剧數 2H+ + 2e 鈫 H2鈫 鏃㈢劧H+鏄潵鑷按鐨勭數绂 H2O === H+ + OH- 姘㈢瀛愮殑鍑忓皯浣挎按鐨勭數绂诲悜鍙宠繘琛岋紝OH-鍦ㄩ槾鏋佸ぇ閲忓澶 闃存瀬鎬诲弽搴旓細2H2O + 2e 鈫 H2鈫 + 2OH- 鍙互鐪嬪埌锛孫H-棣栧厛鍦ㄩ槾鏋佷骇鐢燂紝鎵浠ュ叧浜鐢佃В楗卞拰椋熺洂姘鍒舵隘姘...
绛旓細鐢佃В楗卞拰椋熺洂姘寸殑杩囩▼涓,闃存瀬鍙戠敓杩樺師鍙嶅簲,姘㈢瀛愬緱鐢靛瓙,鐢熸垚姘㈡皵.鑰屾阿绂诲瓙鏄按鐢电鍑虹殑,鍏跺弽搴斿悗鍓╀綑鐨勪负姘㈡哀鏍圭瀛愶紝鍥犳锛岄槾鏋浜х敓OH-銆
绛旓細褰撶數璺帴閫氭椂锛屼細鏈夌數娴佷骇鐢燂紝鐢垫祦鐢辨鏋佹祦鍚戣礋鏋侊紝鐢靛瓙灏辩敱璐熸瀬娴佸悜姝ｆ瀬锛屽洜姝や笌鐢垫簮姝ｆ瀬鐩歌繛鐨勪細澶卞幓鐢靛瓙锛屽彨鍋氶槼鏋侊紝涓庤礋鏋佺浉杩炵殑浼氬緱鍒扮數瀛愶紝鍙仛闃存瀬锛鍦ㄩ槼鏋侀偅绔殑婧舵恫涓隘绂诲瓙浼氫紭鍏堝け鍘荤數瀛愶紝鐢熸垚姘皵锛岃兘浣挎穩绮夌鍖栭捑璇曠焊鍙樿摑銆傝屽湪闃存瀬閭ｇ鐢变簬婧舵恫涓彧鏈夐挔绂诲瓙鍜屾阿绂诲瓙锛堟按鐢电鍑虹殑锛夊彲浠ュ緱鍒扮數瀛...
绛旓細璐熸瀬 2NaCl锛2H2O=== 2NaOH锛婬2鈫 锛婥l2鈫 浠庡疄楠岀幇璞＄湅闃虫瀬浜х敓姘斾綋涓篊l2锛闃存瀬闄勮繎鏈纰辨х墿璐ㄤ骇鐢熴傚苟鏈夋阿姘旀斁鍑恒傚洜鍦椋熺洂姘閲屽瓨鍦ㄧ潃Na锛嬨丠锛嬪拰Cl藟銆丱H藟锛屽綋鎺ラ氱洿娴佺數婧愬悗锛孋l藟銆丱H藟绉诲悜闃虫瀬锛孨a锛嬨丠锛嬬Щ鍚戦槾鏋併侰l锛嶈緝鏄撳け鐢靛瓙锛屽け鍘荤數瀛愮敓鎴怌l2锛孒锛嬭緝鏄撳緱鐢靛瓙锛屽緱鍒扮數瀛愮敓鎴...
绛旓細(涓嶈兘璇翠竴寮濮嬫阿姘ф牴绂诲瓙鏄湪闃存瀬鐢熸垚,鍥犱负姘存憾娑蹭腑濮嬬粓鏈夋阿姘ф牴绂诲瓙鍜屾阿绂诲瓙)閭ｈ繃涓娈垫椂闂村悗鐢变簬姝ｈ礋鐩稿惛姘㈡哀鏍圭瀛愪細鍚戦槼鏋佺Щ鍔ㄧ殑鍜紵(搴旇鏄阿姘ф牴绂诲瓙濮嬬粓鍚戦槼鏋佺Щ鍔 )閭ｄ箣鍚庨槼鏋佸懆鍥寸殑姘㈡哀鏍圭瀛愬氨瓒婃潵瓒婂浜嗗挴锛(闃虫瀬鍛ㄥ洿鐨勬阿姘ф牴绂诲瓙姣旈槾鏋佸皯)閭ｅ鏋滀竴寮濮椋熺洂姘翠腑鏈夋棤鑹查厷閰 鐢佃В鍚庨鑹叉湁浣曞彉鍖 ...
绛旓細1 L 1 mol?L-1鐨凬a2CO3婧舵恫涓瑿O32-鐨勬暟鐩皬浜嶯A锛屾晠C閿欒锛汥銆佷緷鎹數鏋佸弽搴旂數瀛愯浆绉昏绠楋紝鐢佃В楗卞拰椋熺洂姘达紝褰撻槾鏋鍦ㄦ爣鍑嗙姸鍐典笅浜х敓2.24L姘㈡皵锛岀墿璐ㄧ殑閲=2.24L22.4L/mol=0.1mol锛岀數鏋佸弽搴斾负锛2H++2e-=H2鈫戯紝杞Щ鐨勭數瀛愭暟涓0.2 NA锛屾晠D姝ｇ‘锛涙晠閫塁锛...
绛旓細2H++2e=H2 (杩樺師鍙嶅簲)鐢变簬H+鍦ㄩ槾鏋佷笂涓嶆柇寰楀埌鐢靛瓙鑰岀敓鎴愭阿姘旀斁鍑猴紝鐮村潖浜闄勮繎鐨姘寸殑鐢电骞宠 锛屾按鍒嗗瓙缁х画鐢电鎴怘+鍜孫H-锛孒+鍙堜笉鏂緱鍒扮數瀛愶紝缁撴灉婧舵恫閲孫H-鐨勬暟鐩浉瀵瑰湴澧炲浜嗐傚洜鑰闃存瀬闄勮繎褰㈡垚浜嗘阿姘у寲閽犵殑婧舵恫銆鐢佃В楗卞拰椋熺洂姘鐨勬荤殑鍖栧鏂圭▼寮忓彲浠ヨ〃绀哄涓嬶細2NaCl+2H2O===鐢佃В===2NaOH+H2鍦...
绛旓細姘㈡哀鏍圭瀛愬悜闃虫瀬瀹氬悜绉诲姩锛屼絾绉诲姩鐨勯熺巼闈炲父鎱紝鑰屼笖宸ヤ笟涓婂疄闄呯敤闃崇瀛愪氦鎹㈣啘锛屾阿姘ф牴绂诲瓙鏃犳硶绌胯繃浜ゆ崲鑶溿闃存瀬涓婃阿绂诲瓙鏀剧數鍙樹负姘㈡皵锛屾阿绂诲瓙鏉ヨ嚜姘寸殑鐢电锛屼績杩涙按鐨勭數绂伙紝浜х敓澶ч噺姘㈡哀鏍圭瀛愶紝杩欎釜閫熺巼鍩烘湰涓婃槸鐢靛満鐨勯熺巼锛屾瘮绂诲瓙瀹氬悜绉诲姩鐨勯熺巼澶у緱澶氾紝鎵浠ユ阿姘у寲閽犲湪闃存瀬鍛ㄥ洿鐢熸垚銆
绛旓細闃存瀬鍙戠敓鐨勬槸杩樺師鍙嶅簲2H2O寰椾袱涓數瀛愬悗鐢熸垚涓涓阿姘斿拰涓や釜姘㈡哀鏍癸紝鎵浠ユ阿姘ф牴绂诲瓙澶ч噺澧炲姞锛岄槼鏋佸彂鐢熸哀鍖栧弽搴斾袱涓隘绂诲瓙澶变袱涓數瀛愮敓鎴愪竴涓隘姘
绛旓細2H++2e=H2 (杩樺師鍙嶅簲)鐢变簬H+鍦ㄩ槾鏋佷笂涓嶆柇寰楀埌鐢靛瓙鑰岀敓鎴愭阿姘旀斁鍑,鐮村潖浜闄勮繎鐨姘寸殑鐢电骞宠 ,姘村垎瀛愮户缁數绂绘垚H+鍜孫H-,H+鍙堜笉鏂緱鍒扮數瀛,缁撴灉婧舵恫閲孫H-鐨勬暟鐩浉瀵瑰湴澧炲浜.鍥犺闃存瀬闄勮繎褰㈡垚浜嗘阿姘у寲閽犵殑婧舵恫.鐢佃В楗卞拰椋熺洂姘鐨勬荤殑鍖栧鏂圭▼寮忓彲浠ヨ〃绀哄涓嬶細2NaCl+2H2O===鐢佃В===2NaOH+H2鍦ㄩ鐩愭按...
