若要配制0.10mol/lHcl溶液500ml，浓盐酸（密度1.18g/ml，含量37%）多少毫升 北京理工大学化学类专业怎么样
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绛旓細瀹為獙瀹闇瑕0.10mol/L鐨勭～閰920mL,鏌愬悓瀛︽鐢ㄥ瘑搴︿负1.84g/cm3銆佹憾璐ㄨ川閲忓垎鏁颁负98%鐨勬祿纭吀杩涜閰嶅埗,璇曞洖绛:(1)闇閫夌敤__瀹归噺鐡(濉簭鍙)A銆50mLB銆100mLC銆250mLD銆1000mL(2)闇閲忓彇... 瀹為獙瀹ら渶瑕0.10mol/L鐨勭～閰920mL,鏌愬悓瀛︽鐢ㄥ瘑搴︿负1.84g/cm3銆佹憾璐ㄨ川閲忓垎鏁颁负98%鐨勬祿纭吀杩涜閰嶅埗,璇曞洖绛:(1)闇閫夌敤_...
绛旓細锛1锛夆憼閰嶅埗100mL0.10mol?L-1FeBr2婧舵恫锛屾楠ゆ湁璁＄畻锛岀О閲忥紝婧惰В锛岃浆绉伙紝娲楁钉杞Щ锛屽畾瀹癸紝鎽囧寑绛夛紝鐢ㄥ埌鐨勭幓鐠冧华鍣ㄦ湁鐑ф澂銆佺幓鐠冩銆佽兌澶存淮绠°100mL瀹归噺鐡讹紟鏁呯瓟妗堜负锛100mL瀹归噺鐡讹紟鈶′簹閾佺瀛愬湪婧舵恫涓彂鐢熸按瑙ｏ紝鐢ㄧ█鐨凥Br婧舵恫鑰屼笉鐢ㄨ捀棣忔按鐩殑鎶戝埗Fe2+姘磋В锛庢晠绛旀涓猴細鎶戝埗Fe2+姘磋В锛庯紙3锛夋棤鍏堝悗...
绛旓細閭ｆ槸寰呭畾绯绘暟娉曪紝鍏勫紵 姣斿 CaCO3+HCl鐢熸垚CaCl2,H2O,CO2 璁綜aCO3鐨勭郴鏁颁负a 璁綡Cl鐨勭郴鏁颁负b 璁綜aCl2鐨勭郴鏁颁负c 璁綡2O鐨勭郴鏁颁负d 璁綜O2鐨勭郴鏁颁负e 鏂圭▼涓篴 CaCO3+b HCl===c CaCl2+d H2O+e CO2 寰楁柟绋 鏍规嵁閽欙紝a=c 鏍规嵁纰筹紝a=e 鏍规嵁姘э紝3a=d+2e 鏍规嵁姘紝b=2d 鏍规嵁姘紝b=2c 鑱旂珛鏂圭▼...
绛旓細鑻ュ啀浠庝腑鍙栧嚭10mL婧舵恫鍔犳按绋閲婅嚦20mL锛屾牴鎹畁=cV鍙煡锛屾祿搴︿笌婧舵恫鐨勪綋绉垚鍙嶆瘮锛屼綋绉墿澶т负鍘熷厛鐨2鍊嶏紝鍒欐鏃舵憾娑茬殑鐗╄川鐨勯噺娴撳害涓0.01mol/L脳12=0.05mol/L锛屾晠绛旀涓猴細0.10 mol/L NaOH锛坅q锛夛紱0.05 mol/L锛涳紙4锛堿锛庣О閲忔椂宸茶瀵熷埌NaOH琛ㄩ潰娼箍锛屽鑷閰嶅埗鐨勬憾娑蹭腑姘㈡哀鍖栭挔鐨勭墿璐ㄧ殑閲忓亸灏忥紝...
绛旓細鐢插熀绾紙鍙樿壊鑼冨洿pH=4.4锝6.2锛夛紝鑰岀敳鍩烘鍙樿壊鑼冨洿锛3.1-4.4锛 锛屽彉鑹茶寖鍥存洿閰革紝NH4Cl鍛堝急閰告э紝PH鍦ㄧ敳鍩虹孩鐨勫彉鑹茶寖鍥村唴銆傛晠鍙敤鐢插熀绾紙鍙樿壊鑼冨洿pH=4.4锝6.2锛変綔涓烘淮瀹欻Cl鐨勬寚绀哄墏銆傛淮瀹氱粓鐐筆H鑻ュ憟閰告э紝瑕佺敤鍦ㄩ吀鎬ф椂鍙樿壊鐨勬寚绀哄墏銆傝嫢鍛堢⒈鎬э紝瑕佺敤鍦ㄧ⒈鎬ф椂鍙樿壊鐨勬寚绀哄墏銆傝岃棰樹腑婊村畾缁堢偣...
绛旓細鐢0.10mol/LHCl婊村畾鍚屾祿搴H3NH2婧舵恫,璁＄畻鍖栧璁￠噺鐐圭殑PH,鑻ラ夌敤鐢插熀姗欎负鎸囩ず鍓( 鎴戞潵绛 1涓洖绛 #鐑# 鏌垮瓙鑴辨订鏂规硶鏈夊摢浜?瀹囨枃绗戦槼 2020-11-30 路 TA鑾峰緱瓒呰繃140涓禐 鐭ラ亾绛斾富 鍥炵瓟閲:132 閲囩撼鐜:100% 甯姪鐨勪汉:32.4涓 鎴戜篃鍘荤瓟棰樿闂釜浜洪〉 鍏虫敞 灞曞紑鍏ㄩ儴 宸茶禐杩 宸茶俯杩< 浣...
绛旓細C 璇曢鍒嗘瀽锛欰銆丆椤癸紝鑰冩煡寮辩數瑙ｈ川鐨勯儴鍒嗙數绂伙紝姝ｇ‘锛汥椤癸紝鑰冩煡鐩愮被鐨勬按瑙ｅ鑷存憾娑叉樉纰辨э紝姝ｇ‘锛汣椤规湭鎸囨槑娴撳害锛屾墍浠ュ鐢垫т笉鑳戒綔涓哄己寮辩數瑙ｈ川鐨勫垽鏂緷鎹紝閿欒銆
绛旓細A.0.10mol?L-1CH3COOH婧舵恫锛岄唻閰告槸涓鍏冮吀锛屽鏋滈唻閰告槸寮洪吀锛屾憾娑茬殑pH鏄1锛屽鏋滃ぇ浜1锛屽垯璇佹槑閱嬮吀鏄急鐢佃В璐紝鏁匒姝ｇ‘锛汢.0.01 mol?L-1鍜0.10 mol?L-1鐨凜H3COOH婧舵恫锛屽鏋滈唻閰告槸寮洪吀锛屾憾娑茬殑pH鍒嗗埆鏄2鍜1锛屼袱鑰呯殑pH鐩稿樊1涓崟浣嶏紝鑻ヤ袱鑰呯殑pH鐩稿樊灏忎簬1涓崟浣嶏紝鍒欏彲璇佹槑閱嬮吀鏄急鐢佃В璐紝鏁匓...
绛旓細锛1锛夊湪2s鑷4s鏃堕棿鍐咃紝NO2鐨勫钩鍧囩敓鎴愰熺巼v=鈻砪鈻硉=(0.07mol?L?1?0.05mol?L?1)脳22s=0.02mol?L-1?S-1锛屾晠绛旀涓猴細0.02mol?L-1?S-1锛涳紙2锛夎嫢鍦ㄧ浉鍚屾儏鍐典笅鏈鍒濆悜璇ュ鍣ㄥ厖鍏ョ殑鏄簩姘у寲姘皵浣擄紝瑕佽揪鍒板悓鏍风殑骞宠 鐘舵侊紝鍗充笌鍘熷钩琛′负绛夋晥骞宠 锛屾牴鎹瓑鏁堝钩琛＄殑鐗圭偣锛屽厖鍏ョ殑浜屾哀鍖栨爱姘斾綋...
绛旓細璁惧畾纭濋吀閾舵憾瑙ｅ悗浣撶Н浠嶄负1.0L锛孋l鈥斿拰Br鈥旀憾娑蹭负1.0L锛氭憾瑙ｅ墠姘ㄦ按娴撳害涓4.2mol/L锛屽畬鍏ㄥ弽搴旂敓浜gCl鍜孉gBr锛闇瑕鐨凜l鈥斿拰Br鈥旀憾娑茬殑娴撳害涓4.2mol/L銆傝嫢寮濮嬫瀽鍑烘矇娣锛屽垯娴撳害瑕佸ぇ浜4.0mol/L.
