要配制0.10mol/L的HCL溶液1000ml,需要密度为1.19g/立方厘米,质量分数为0.3
\u8981\u914d\u52360.10mol/L\u7684HCL\u6eb6\u6db21000ml,\u9700\u8981\u5bc6\u5ea6\u4e3a1.19g/\u5e73\u65b9\u5398\u7c73,\u8d28\u91cf\u5206\u662f\u4e2a0.37\u7684\u6d53\u76d0\u9178\u591a\u5c11\u6beb\u5347HCL \u97000.10*1=0.1mol
\u537336.5g/mol*0.1mol=3.65g
so
v=3.65/1.19
=3.067ml
v=8.2898*10^(-3)L=8.2898ml
绛旓細棣栧厛璁$畻37%鐩愰吀鐨勭墿璐ㄧ殑閲忔祿搴=1000*1.18*37%/36.5=12.0mol/L 鍒╃敤绋閲婂叕寮忥細c1v1=c2v2锛岃绠楁墍闇娴撶洂閰哥殑浣撶Н锛寁1=c2v2/c1=0.10*1000/12=8.33姣崌銆
绛旓細涔抽吀閽犲垎瀛愰噺涓112锛屽嵆鎽╁皵璐ㄩ噺涓112g/mol銆傞偅涔0.10mol/L涔抽吀閽犳祿搴︿篃灏辨槸112*0.10=11.2g/L锛屽嵆0.0112g/ml銆250ml涔抽吀閽犳憾娑叉墍鍚憾璐ㄤ负0.0112*250锛坓锛夋墍浠ラ渶鐢112g/L涔抽吀閽犳憾娑茬殑浣撶Н涓0.0112*250/112=0.025锛圠锛0.025L涔熷氨鏄25ml銆
绛旓細閰嶅埗500ml 0.10mol/l :A涓烘纭搷浣滐紱B瀹归噺鐡朵腑鐨勬按涓嶅奖鍝嶆憾娑茬殑浣撶Н锛汣鍙犳垚婧惰川鐨勬崯澶憋紱D鍙娇瀹為檯瀹圭Н鍋忎綆,娴撳害鍋忛珮锛汦鍙犳垚婧惰川鐨勬崯澶.鍥犳姝g‘绛旀涓猴細C鍜孍.蹇呴』鐢ㄥ埌鐨勪华鍣ㄥ湪璇炬湰灏辨湁.
绛旓細閰嶅埗涓瀹氱墿璐ㄧ殑閲忔祿搴︽憾娑茬殑姝ラ锛氱О閲忋佹憾瑙c佸喎鍗淬佺Щ娑层佹礂娑ゃ佸畾瀹广佹憞鍖绛夛紝鈶犵О閲忔阿姘у寲閽犳椂锛屽洜涓烘阿姘у寲閽犳憾娑叉疆瑙e彉璐紝搴旂敤灏忕儳鏉О閲忥紱鈶g幓鐠冩寮曟祦鏃讹紝涓嬬搴旈潬鍦ㄥ埢搴︾嚎浠ヤ笅锛涒懁瀹氬鏃讹紝搴斿钩瑙嗗埢搴︾嚎锛涙晠閫夛細C锛
绛旓細绛旀锛欱锛庡亸浣 瑙o細鐢卞ぉ骞崇О閲忚鍒欎负锛氳嵂鍝佽川閲=鐮濈爜璐ㄩ噺+娓哥爜璐ㄩ噺銆傝嫢鐮濈爜涓庤嵂鍝侀鍊掞紝鍒欒嵂鍝佽川閲+娓哥爜璐ㄩ噺=鐮濈爜璐ㄩ噺锛屽疄闄呯О寰楁牱鍝佺殑璐ㄩ噺涓猴細鐮濈爜璐ㄩ噺-娓哥爜璐ㄩ噺=5.0g-0.3g=4.7g锛岀О閲忕殑纰抽吀閽犺川閲忓亸灏忥紝鏈缁閰嶅埗鐨勭⒊閰搁挔婧舵恫娴撳害鍋忎綆銆傚欢浼革細澶╁钩浣跨敤瑙勫垯锛1.搴旀牴鎹О閲忚姹傜殑绮惧害鍜岃绉扮墿浣撶殑璐ㄩ噺...
绛旓細瑙o細1 閰嶅埗婧舵恫鎵闇瑕涔抽吀閽 n锛堜钩閰搁挔锛=0.25*0.10mol/L=0.025mol 112g/L涔抽吀閽犳憾娑蹭腑锛屼钩閰搁挔鐨勭墿璐ㄧ殑閲忔祿搴︿负锛1mol/L 鎵浠ュ彇璇ヤ钩閰搁挔25ml 绗竴闂腑閰嶅埗0.10mol/L20涔抽吀閽犳憾娑250ml 浣犳槸涓嶆槸澶氬啓浜嗕竴涓20锛2 n锛堣憽钀勭硸锛=m锛堣憽钀勭硸锛/M锛堣憽钀勭硸锛=12.5/180 mol 鎵浠ワ細c锛...
绛旓細瀹归噺鐡朵腑涓嶅彲浠ョ敤浜庢憾瑙e弽搴旂瓑鎿嶄綔銆傚簲鍦ㄧ儳鏉腑婧惰В0.4gNaOH鍚庯紝寰呭喎鍗磋嚦瀹ゆ俯鍚庯紝鍐嶈浆绉诲埌瀹归噺鐡朵腑锛屾礂娑2-3娆★紝鍐嶅姞姘寸█閲婂埌鍒诲害銆傝嫢鎯崇煡閬撳閲忕摱鎿嶄綔鍏蜂綋姝ラ鍙互鐩存帴鐢ㄧ煡閬撴煡涓嬪閲忕摱鍝 璇濊涓嶅繀閰嶅閰嶆憾娑 鍙渶灏介噺鎶婃憾璐ㄩ兘杞Щ杩涘閲忕摱涓嵆鍙 ...
绛旓細鎵浠ヤ笉鑳藉皢绉板ソ鐨凬aOH鏀惧叆瀹归噺鐡跺姞浠ユ憾瑙o紝搴斿湪鐑ф澂涓憾瑙f瀯瓒抽噺鐨勬憾娑插悗鍐嶈浆绉诲埌瀹归噺鐡朵腑锛3锛屾纭殑鏂规硶 : 绉板彇瓒抽噺鐨凬aOH锛屽湪鐑ф澂涓閰嶅埗濂500ml 0.1mol/L鐨凬aOH婧舵恫寰呭喎鍗磋嚦瀹ゆ俯锛岀敤宸查厤濂界殑婧舵恫娲楀閲忕摱锛(娲楁钉鐢ㄧ殑婧舵恫鍊掓帀涓嶈锛屾敞鎰忔礂娑ゆ椂婧舵恫鐨勭敤閲忥紝鍓╀綑150ml)鍐嶅皢閰嶅ソ鍓╀綑鐨勬憾娑茬殑閮ㄥ垎...
绛旓細0.10mol/L EDTA鏍囧噯婧舵恫鐨閰嶅埗锛氱О鍙20gEDTA婧朵簬1000mL钂搁姘翠腑,鎽囧寑,澶囩敤銆0.10mol/L EDTA鏍囧噯婧舵恫鐨勬爣瀹氾細绉板彇800鈩冪伡鐑ф亽閲嶇殑鍩哄噯姘у寲閿 2g(绮剧‘鑷0.0002),鐢ㄥ皯璁告按婀挎鼎,鍔犵洂閰告憾娑(1:1)浣挎哀鍖栭攲婧惰В,绉诲叆 500mL瀹归噺鐡朵腑,绋閲婅嚦鍒诲害,鎽囧寑锛屽彇20mL,鍔80mL闄ょ洂姘,鐢10%姘ㄦ按涓拰鑷硃H涓7...
绛旓細瑙o細闇瑕NaoH鐨勬懇灏旈噺涓0.5L*0.1mol/L=0.05mol 锛屾晠NaoH鐨勮川閲忎负0.05mol*NaoH鐨勭浉瀵硅川閲=0.05mol*40g/mol=2g,鏁呯敤澶╁钩绉板彇2鍏嬶紝