水的无限稀释摩尔电导率存在吗?是多少? 无限稀释溶液摩尔电导率与电导率换算关系
\u918b\u9178\u6eb6\u6db2\u65e0\u9650\u7a00\u91ca\u65f6\u7684\u6469\u5c14\u7535\u5bfc\u7387\u662f\u591a\u5c11\u4e0d\u540c\u7684\u6e29\u5ea6\u65f6\uff0c\u918b\u9178\u65e0\u9650\u7a00\u91ca\u6469\u5c14\u7535\u5bfc\u7387\u662f\u4e0d\u540c\u7684\u3002298k\u65f6\u662f\u918b\u9178\u6eb6\u6db2\u7684\u65e0\u9650\u7a00\u91ca\u6469\u5c14\u7535\u5bfc\u7387=\u6c22\u79bb\u5b50\u65e0\u9650\u7a00\u91ca\u6469\u5c14\u7535\u5bfc\u7387+\u918b\u9178\u6839\u65e0\u9650\u7a00\u91ca\u6469\u5c14\u7535\u5bfc\u7387=(349.82+40.9)\u00d710^-4s.m^-225.mol-1=3.907x10^-4s.m^2mol6-1\u3002298k\u4ee5\u4e0a\u53ef\u4ee5\u7528\u516c\u5f0f\u918b\u9178\u6eb6\u6db2\u7684\u65e0\u9650\u7a00\u91ca\u6469\u5c14\u7535\u5bfc\u7387=349.828*[1+0.0139(t-25)]+40.9*[1+(t-250)]x10^-4s.m^2.mol^-135\u6444\u6c0f\u5ea6\u4e3a4.48x10^-2s.m^2mol6-140\u6444\u6c0f\u5ea6\u4e3a4.476x10^-s.m^2mol6-1
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\u4e3a\u4e86\u4fbf\u4e8e\u5bf9\u4e0d\u540c\u7c7b\u578b\u7684\u7535\u89e3\u8d28\u8fdb\u884c\u5bfc\u7535\u80fd\u529b\u7684\u6bd4\u8f83\uff0c\u4eba\u4eec\u5e38\u9009\u7528\u6469\u5c14\u7535\u5bfc\u7387\uff0c\u56e0\u4e3a\u8fd9\u65f6\u4e0d\u4f46\u7535\u89e3\u8d28\u6709\u76f8\u540c\u7684\u91cf\uff08\u90fd\u542b\u67091mol\u7684\u7535\u89e3\u8d28\uff09\uff0c\u800c\u4e14\u7535\u6781\u95f4\u8ddd\u79bb\u4e5f\u90fd\u662f\u5355\u4f4d\u8ddd\u79bb\u3002\u5f53\u7136\uff0c\u5728\u6bd4\u8f83\u65f6\u6240\u9009\u53d6\u7684\u7535\u89e3\u8d28\u57fa\u672c\u7c92\u5b50\u7684\u8377\u7535\u8377\u91cf\u5e94\u76f8\u540c\u3002
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绛旓細姘㈢瀛愬拰姘㈡哀鏍圭瀛愭棤闄愮█閲婄殑鎽╁皵鐢靛鐜姣斿叾浠栫瀛鐨勬棤闄愮█閲婃懇灏旂數瀵鐨勫師鍥狅細鍥犱负鏃犻檺绋閲婁互鍚庨捑绂诲瓙鎽╁皵娴撳害鍑犱箮鍙互蹇界暐涓嶈銆傚急鐢佃В璐ㄧ數绂诲彈娴撳害褰卞搷锛屽湪浣庢祿搴﹀崟浣嶏紝鎽╁皵鐢靛鐜囧熀鏈笂涓庢祿搴︽垚涓鐩寸嚎锛岀敱浜庡涓嶅悓鐨勭數瑙h川鍧囧彇1mol锛屼絾鎵鍙栨憾娑茬殑浣撶НVm灏嗛殢娴撳害鑰屾敼鍙樸傝c鏄數瑙h川婧舵恫鐨勬祿搴︼紙鍗曚綅涓...
绛旓細琛ㄧず鏌愮數瑙h川婧舵恫鍦鏃犻檺绋閲鏃鐨勬懇灏旂數瀵肩巼鎴栫О鏋侀檺鎽╁皵鐢靛鐜,鍏跺煎緢瀹规槗浠庝綔鍥炬硶姹傚緱:灏嗗 浣滃浘,澶栨帹鍒版祿搴︿负闆舵椂鎵鑾峰緱鐨勬懇灏旂數瀵肩巼鍗虫槸 ;尾鏄粡楠屽父鏁,鏄綖 鐩寸嚎鐨勬枩鐜囥侹ohlrausch 缁忛獙鍏紡鏉ヨ嚜瀹為獙,浣嗗畠涔熷彲浠ヤ粠寮虹數瑙h川婧舵恫鐞嗚鎺ㄥ鍑烘潵,尾鐨勬暟鍊间篃鍙互浠庣悊璁轰笂璁$畻鍑烘潵銆��鍥 绂诲瓙鐙珛杩愬姩瀹氬緥� ...
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绛旓細鐢靛鐜囧叕寮 澶у鐗╃悊鍖栧閲岄潰鏈夈備唬鍏ュ叕寮忓簲璇ユ瘮杈冪畝鍗曚簡銆鎽╁皵鐢靛鐜璁$畻鍏紡 鐢变簬瀵逛笉鍚岀殑鐢佃В璐ㄥ潎鍙1mol锛屼絾鎵鍙栨憾娑茬殑浣撶Нvm灏嗛殢娴撳害鑰屾敼鍙樸傝c鏄數瑙h川婧舵恫鐨勬祿搴(鍗曚綅涓簃ol路m-3)锛屽垯鍚1mol鐢佃В璐ㄧ殑婧舵恫鐨勪綋绉痸m搴旂瓑浜1/c锛屾牴鎹數瀵肩巼魏鐨勫畾涔夛紝鎽╁皵鐢靛鐜囄籱涓庣數瀵肩巼k涔嬮棿鐨勫叧绯荤敤鍏紡琛ㄧず...
绛旓細鍒╃敤琛7.3.2涓殑鏁版嵁璁$畻25 ØC鏃剁敤缁濆绾殑姘撮厤鍒剁殑楗卞拰姘存憾娑茬殑鐢靛鐜,璁$畻鏃惰鑰冭檻姘寸殑鐢靛鐜(鍙傝棰7.12)銆 瑙:鏌ヨ〃鐭鐨勬棤闄愮█閲婃懇灏旂數瀵肩巼涓洪ケ鍜屾按婧舵恫涓殑娴撳害涓哄洜姝,7.14 宸茬煡25 ØC鏃舵煇纰抽吀姘存憾娑茬殑鐢靛鐜囦负,閰嶅埗姝ゆ憾娑茬殑姘寸殑鐢靛鐜囦负銆傚亣瀹氬彧鑰冭檻鐨勪竴绾х數绂,涓斿凡鐭ュ叾瑙g甯告暟,鍙25 ØC鏃犻檺...
绛旓細=姘㈢瀛鏃犻檺绋閲婃懇灏旂數瀵肩巼+閱嬮吀鏍规棤闄愮█閲婃懇灏旂數瀵肩巼 =锛349.82+40.9锛壝10^4 S路m^2.mol^-1=3.907脳10^6S路m^2.mol^-1 鐢变簬瀵逛笉鍚岀殑鐢佃В璐ㄥ潎鍙1mol锛屼絾鎵鍙栨憾娑茬殑浣撶НVm灏嗛殢娴撳害鑰屾敼鍙樸傝c鏄數瑙h川婧舵恫鐨勬祿搴︼紙鍗曚綅涓簃ol路m-3锛夛紝鍒欏惈1mol鐢佃В璐ㄧ殑婧舵恫鐨勪綋绉疺m搴旂瓑浜1/c銆
绛旓細瀹為獙鍚嶇О鐢靛鐨勬祴瀹氬強鍏跺簲鐢ㄤ竴銆佸疄楠岀洰鐨1.娴嬮噺KCl姘存憾娑茬殑鐢靛鐜囷紝姹傜畻瀹鐨勬棤闄愮█閲婃懇灏旂數瀵肩巼锛2.鐢ㄧ數瀵兼硶娴嬮噺閱嬮吀鍦ㄦ按婧舵恫涓殑瑙g骞宠 甯告暟锛3.鎺屾彙鎭掓俯姘存Ы鍙婄數瀵肩巼浠殑浣跨敤鏂规硶銆備簩銆佸疄楠屽師鐞1銆佺數瀵糋锛氬浜庣數瑙h川婧舵恫锛屽父鐢ㄧ數瀵艰〃绀哄叾瀵肩數鑳藉姏鐨勫ぇ灏忋傜數瀵糋鏄數闃籖鐨勫掓暟锛屽嵆G=1/R銆傜數瀵肩殑鍗曚綅...
绛旓細鍥炵瓟锛氱涓冪珷鐢靛寲瀛︿竴銆佸~绌洪1.宸茬煡25鈩冩椂,鍙婃按婧舵恫鐨勬棤闄愮█閲婃懇灏旂數瀵肩巼,鍒嗗埆鏄拰銆傚垯璇ユ俯搴︿笅绂诲瓙鐨勩2.浠婃湁浠ヤ笅涓ょ數姹燼.b.鍏朵腑鐨勭數鍔ㄥ娍涓庢隘绂诲瓙鐨勬祿搴︽棤鍏炽3.褰撴湁鐢垫祦瀵嗗害涓虹殑鐢垫祦閫氳繃鐢佃В姹犲拰鍘熺數姹犳椂,鍏舵瀬鍖栨洸绾垮垎鍒负:鐢佃В姹犲師鐢垫睜4.鐨勬按婧舵恫鐨勭瀛愬钩鍧囨椿搴︾郴鏁,鍒欏叾绂诲瓙骞冲潎娲诲害;绂诲瓙寮...
绛旓細妤间富锛屼綘鐨勭數姹犲弽搴斿紡鑲畾鍐欑殑鏄紙1/2CuSO4锛夛紝杩欎釜鏄牴鎹數姹犲弽搴旀潵姹傜殑銆傚弽姝d竴涓瀵瑰簲灏辫浜嗭紝姹傗埀m(1/2CuSO4)锛岀浉搴旂殑鑲畾鐢–(1/2CuSO4锛夈2.鍥犱负闅炬憾鐩愬湪姘存憾娑查噷闈㈡祿搴︿綆锛屽彲浠ュ綋鍋氭棤闄愮█閲婃潵鍋氾紝鎵浠ラ毦婧剁洂鐨勬棤闄愮█閲婃懇灏旂數瀵肩巼杩戜技绛変簬鎽╁皵鐢靛鐜囥侺Z: 鍙嶅簲寮忛噷濡傛灉鏄疌uSO4,灏辫〃绀轰竴浠界殑...
绛旓細鏃犻檺绋閲銆傚畾閲忓叧绯诲紡:r+=u+dE/dlr_=u_dE/dlr+锛宺-绂诲瓙杩佺Щ閫熺巼锛寀+锛寀-绂诲瓙鐨勭數杩佺Щ鐜囥侷BBI1+r+u+t+==ruIr_u_t_涓変笁ut+姝g瀛愯縼绉绘暟t_=1鏃犻檺绋閲婂己鐢佃В璐ㄦ憾娑层