实验室中有一未知浓度的稀盐酸，某同学测定盐酸的浓度在实验室中进行实验。请完成下列填空：（1）配制100 实验室中有一未知浓度的稀盐酸，某学生为测定盐酸的浓度在实验室...
\u5b9e\u9a8c\u5ba4\u4e2d\u6709\u4e00\u672a\u77e5\u6d53\u5ea6\u7684\u7a00\u76d0\u9178\uff0c\u67d0\u5b66\u751f\u4e3a\u6d4b\u5b9a\u76d0\u9178\u7684\u6d53\u5ea6\u5728\u5b9e\u9a8c\u5ba4\u4e2d\u8fdb\u884c\u5982\u4e0b\u5b9e\u9a8c\uff1a\u8bf7\u5b8c\u6210\u4e0b\u5217\u586b\u7a7a\uff1a\uff081\uff09\u2460\u6ef4\u5b9a\u65f6\u6700\u540e\u4e00\u6ef4NaOH\u6eb6\u6db2\u52a0\u5165\u65f6\uff0c\u6eb6\u6db2\u989c\u8272\u6070\u597d\u7531\u65e0\u8272\u53d8\u4e3a\uff08\u6d45\uff09\u7ea2\u8272\uff0c\u915a\u915e\u7684\u53d8\u8272\u8303\u56f4\u662f8.2\uff5e10\uff0c\u6240\u4ee5\u6ef4\u5b9a\u7ec8\u70b9\u662f\u6eb6\u6db2PH\u4e3a8.2\uff5e10\uff1b\u6545\u7b54\u6848\u4e3a\uff1a\u52a0\u5165\u6700\u540e\u4e00\u6ef4\u6c22\u6c27\u5316\u94a0\u6eb6\u6db2\uff0c\u6eb6\u6db2\u7531\u65e0\u8272\u6070\u597d\u53d8\u6210\u6d45\u7ea2\u8272\uff0c\u4e14\u534a\u5206\u949f\u5185\u4e0d\u892a\u8272\uff1b8.2\uff5e10\uff1b\u2461\u6839\u636ec\uff08\u9178\uff09\u00d7V\uff08\u9178\uff09=c\uff08\u78b1\uff09\u00d7V\uff08\u78b1\uff09\uff0c\u9700\u8981V\uff08NaOH\uff09=22.62+22.72+22.803 mL=22.71mL\uff0c\u5219\u8be5\u76d0\u9178\u7684\u6d53\u5ea6\u4e3a22.71\u00d710?3L\u00d70.1000mol/L20.00\u00d710?3L=0.1136mol/L\uff0c\u6545\u7b54\u6848\u4e3a\uff1a0.1136mol/L\uff1b\u2462\u78b1\u5f0f\u6ef4\u5b9a\u7ba1\u7684\u6c14\u6ce1\u901a\u5e38\u6a61\u76ae\u7ba1\u5185\uff0c\u53ea\u8981\u5c06\u6ef4\u5b9a\u73bb\u7483\u5934\u671d\u4e0a\uff0c\u5e76\u6324\u6a61\u76ae\u7ba1\u4e2d\u7684\u73bb\u7483\u73e0\u5c31\u53ef\u4ee5\u5c06\u6c14\u6ce1\u51b2\u6392\u51fa\uff0c\u6545\u7b54\u6848\u4e3a\uff1a\u4e19\uff1b\u2463\u6839\u636ec\uff08\u5f85\u6d4b\uff09=c(\u6807\u51c6)\u00d7V(\u6807\u51c6)V(\u5f85\u6d4b)\u5206\u6790\u8bef\u5dee\uff0cA\uff0e\u6ef4\u5b9a\u7ec8\u70b9\u8bfb\u6570\u65f6\u4fef\u89c6\u8bfb\u6570\uff0c\u8bfb\u51fa\u7684\u6807\u51c6\u6eb6\u6db2\u7684\u4f53\u79ef\u504f\u4f4e\uff0c\u5219\u5f85\u6d4b\u6db2\u6d53\u5ea6\u504f\u4f4e\uff1bB\uff0e\u9178\u5f0f\u6ef4\u5b9a\u7ba1\u6c34\u6d17\u540e\u672a\u7528\u5f85\u6d4b\u7a00\u76d0\u9178\u6eb6\u6db2\u6da6\u6d17\uff0c\u4f1a\u5bfc\u81f4\u76d0\u9178\u6d53\u5ea6\u504f\u4f4e\uff0c\u9700\u8981NaOH\u4f53\u79ef\u504f\u5c0f\uff0c\u6d4b\u5b9a\u503c\u504f\u4f4e\uff1bC\uff0e\u9525\u5f62\u74f6\u6c34\u6d17\u540e\u76f4\u63a5\u88c5\u5f85\u6d4b\u6db2\uff0c\u9525\u5f62\u74f6\u4e2dNaOH\u7684\u7269\u8d28\u7684\u91cf\u4e0d\u53d8\uff0c\u6d88\u8017\u7684HCl\u7684\u91cf\u4e0d\u53d8\uff0c\u5bf9\u5b9e\u9a8c\u65e0\u5f71\u54cd\uff1bD\uff0e\u79f0\u91cf\u524dNaOH\u56fa\u4f53\u4e2d\u6df7\u6709Na2CO3\u56fa\u4f53\uff0c\u7531\u4e8eNa2CO3\u6d88\u8017\u7684HCl\u4f53\u79ef\u504f\u5927\uff0c\u6d4b\u5b9a\u6eb6\u6db2\u6d53\u5ea6\u53d8\u5927\uff1bE\uff0e\u78b1\u5f0f\u6ef4\u5b9a\u7ba1\u5c16\u5634\u90e8\u5206\u6709\u6c14\u6ce1\uff0c\u6ef4\u5b9a\u540e\u6d88\u5931\uff0c\u4f1a\u5bfc\u81f4\u6d4b\u5b9aNaOH\u4f53\u79ef\u504f\u5927\uff0c\u6d4b\u5b9a\u503c\u504f\u5927\uff0e\u6545\u7b54\u6848\u4e3a\uff1a\u504f\u4f4e\uff1b\u504f\u4f4e\uff1b\u65e0\u5f71\u54cd\uff1b\u504f\u9ad8\uff1b\u504f\u9ad8\uff0e
\uff081\uff09\u7528\u5df2\u77e5\u7269\u8d28\u7684\u91cf\u6d53\u5ea6\u7684\u6807\u51c6\u78b1\u6db2\u6da6\u6d172\u52303\u6b21 \uff082\uff09\u6700\u540e\u4e00\u6ef4\u6c22\u6c27\u5316\u94a0\u6eb6\u6db2\u52a0\u5165\uff0c\u6eb6\u6db2\u7531\u65e0\u8272\u6070\u597d\u53d8\u6210\u6d45\u7ea2\u8272\uff0c\u4e14\u534a\u5206\u949f\u5185\u4e0d\u892a\u8272\uff083\uff090.11mol/L \uff084\uff09\u4e19\uff085\uff09ACDF
| （1）①转移；定容；摇匀；②0.4；烧杯(或表面皿)；药匙 （2）①最后一滴NaOH溶液加入，溶液由无色恰好变成浅粉红色，且半分钟内不褪色；②0.11 mol·L -1 ； ③丙；④D |
绛旓細鏍规嵁c锛堥吀锛壝梀锛堥吀锛=c锛堢⒈锛壝梀锛堢⒈锛夛紝鍒欒鐩愰吀鐨勬祿搴涓0.10mol?L?1脳20mL2.0mL=1.00 mol?L-1锛鏁呯瓟妗堜负锛1.00锛涳紙2锛堿锛庣敱鐢垫簮鐨勬璐熸瀬鏉ュ垽鏂瑿d涓洪槼鏋侊紝Pt涓洪槾鏋侊紝閫氱數鏃讹紝H+銆丆d2+鍚慞t鐢垫瀬杩佺Щ锛孋l-鍚慍d鐢垫瀬杩佺Щ锛屾晠A姝ｇ‘锛汢锛庣敱鐢垫簮鐨勬璐熸瀬鏉ュ垽鏂瑿d涓洪槼鏋侊紝Pt涓洪槾鏋侊紝Cd...
绛旓細瑙ｏ細璁炬鐩愰吀鐨涓惈姘寲姘㈢殑璐ㄩ噺涓篨锛岀敓鎴愪簩姘у寲纰崇殑璐ㄩ噺涓篩 鏍规嵁棰樻剰鍙煡鍥轰綋鍑忓皯鐨勮川閲,鍗虫槸鍙嶅簲鐨勭⒊閰搁挋璐ㄩ噺=1g CaCO3 + 2HCl =CaCl2 + H2O + CO2鈫 100 73 44 1g X Y Z=0.73g Y=0.44g 姝ょ洂閰哥殑婧惰川璐ㄩ噺鍒嗘暟=0.73g/10g*100%=7.30 鍙嶅簲鍚庢憾娑茶川閲廰鐨勬暟鍊=10g+1g-0...
绛旓細锛堝叡12鍒嗭級锛1锛0.1mol/L 锛2锛夛紴 锛3锛夌儳鏉100mL瀹归噺鐡讹紙绛斿涓涓緱1鍒嗭級锛4锛夐吀寮忔淮瀹氱 0.12 mol路L 鈥1 鏈鍚庝竴婊存阿姘у寲閽犳憾娑插姞鍏ワ紝婧舵恫鐢辨棤鑹叉伆濂藉彉鎴愭祬绾㈣壊锛屽崐鍒嗛挓鍐呬笉瑜壊 鐣
绛旓細鏁翠釜杩囩▼涓猴細鍏堝湪鐩愰吀涓姞鍏gNO3锛屾鏃讹紝鐢熸垚AgCl娌夋穩锛岀劧鍚庡姞鍏aOH婧舵恫锛屾鏃讹紝涓拰閰告 闇娉ㄦ剰锛侊紒锛佸湪鍔犲叆AgNO3鐨勮繃绋嬶紝铏界劧鍙戠敓鍖栧鍙嶅簲锛屼絾鏄苟鏈奖鍝岺+鐨勯噺锛娴撳害鍙樹簡锛屼絾鐗╄川鐨勯噺娌″彉锛夛紝鎵浠ョ敱鏈鍚庡姞鍏ョ殑OH-鐨勯噺锛屽嵆鍙眰鍑哄師鏈塇+鐨勯噺 c(H+) = c(OH-) = 0.1*V(NaOH) = c(HCl)*...
绛旓細76g浜屾哀鍖栫⒊锛岃鐩愰吀涓憾璐ㄧ殑璐ㄩ噺涓簒 CaCO3+2HCl鈺怌aCl2+H2O+CO2鈫 73 44 x 1.76g73x=441.76g x=2.92g鍒欒鐩愰吀涓憾璐ㄧ殑璐ㄩ噺鍒嗘暟鏄細2.92g40g脳100%=7.3%绛旓細璇ョ洂閰镐腑婧惰川鐨勮川閲忓垎鏁版槸7.3%锛
绛旓細2锛夋贩鍚堢墿鍏29.6g,200mL绋鐩愰吀,缁撴灉浜х敓6.72锛圫TP锛塁O2姘斾綋 搴旇鏄6.72L鍚?Na2CO3+2HCL=2NaCL+H2O+CO2 NaHCO3+HCL=NaCl+H2O+CO2 鐢变簬鍙眰NaHCO3,NaCO3鐨勭墿璐ㄧ殑閲忎箣姣,鍒欏彲鐭ユ贩鍚堢墿涓璑aHCO3,NaCO3鐨勭墿璐ㄧ殑閲忎箣姣斾负瀹氬 璁 鏈墄molNa2CO3 ymolNaHCO3 绋鐩愰吀鐗╄川鐨勯噺娴撳害涓篶mol/L 鍒嗘瀽 1)...
绛旓細16.25 g y x 瑙ｅ緱x = 0.5 g 锛寉 = 18.25 g 鏍峰搧瀹屽叏鍙嶅簲浜х敓鐨凥2鐨勮川閲0.5 g 锛3锛夋伆濂藉畬鍏ㄥ弽搴旀墍鍔绋鐩愰吀鐨勮川閲忔槸锛198.25 g + 0.5 g - 16.25 g = 182.5 g 璐ㄩ噺鍒嗘暟 = 18.25 g / 182.5 g = 10 鎵浠 锛1锛夐粍閾滀腑閾滅殑璐ㄩ噺鏄33.75 g銆傦紙2锛夋牱鍝佸畬鍏ㄥ弽...
绛旓細鍥炵瓟锛(1)鈶犺浆绉;瀹氬;鎽囧寑;鈶0.4;鐑ф澂(鎴栬〃闈㈢毧);鑽寵 (2)鈶犳渶鍚庝竴婊碞aOH婧舵恫鍔犲叆,婧舵恫鐢辨棤鑹叉伆濂藉彉鎴愭祬绮夌孩鑹,涓斿崐鍒嗛挓鍐呬笉瑜壊;鈶0.11 mol路L -1 ; 鈶笝;鈶
绛旓細鍥犳湁姘斾綋鐨勪骇鐢燂紝閫犳垚婧舵恫璐ㄩ噺澧炲姞骞呭害姣斾笂涓涓弽搴斿皬銆備负鍥惧儚涓殑绗簩娈点傚綋纰抽吀瀹屽叏鏃讹紝鍐嶅姞鍏鐩愰吀锛婧舵恫涓棤鍙嶅簲鍙戠敓銆備负鍥惧儚涓殑绗笁娈点傛牴鎹浘鍍忓彲鐭ワ細褰撳姞鍏绋鐩愰吀鐨勮川閲忎负50g鏃讹紝涓庣⒊閰搁挔鎭板ソ瀹屽叏鍙嶅簲銆傚彲鏍规嵁婧舵恫鐨勬昏川閲忔眰鍑虹敓鎴愪簩姘у寲纰崇殑璐ㄩ噺锛1锛夋牴鎹鎰忓彲鐭ワ細宸茬煡閲忎负浜屾哀鍖栫⒊鐨勮川閲忥紝鏈煡...
绛旓細瀹為獙浠櫒锛氭淮瀹氳缃紙婊村畾绠°佹淮瀹氱澶广侀搧鏋跺彴锛夈佺Щ娑茬銆佹礂鑰崇悆銆侀敟褰㈢摱銆佺儳鏉傚疄楠岃嵂鍝侊細鏈煡娴撳害鐨勭█鐩愰吀銆佸凡鐭ユ祿搴︾殑姘㈡哀鍖栭挔銆侀厷閰炴寚绀哄墏 瀹為獙姝ラ 1锛庢鼎娲楁淮瀹氱銆傚彇涓鏀共鐕ユ磥鍑鐨勬淮瀹氱锛屽悜鍏朵腑鍊掑叆姘㈡哀鍖栭挔婧舵恫鐩磋嚦婊村畾绠¤鐩涙弧銆傝皟鏁存椿濉烇紝浣挎墍鏈夋阿姘у寲閽犳祦鍏ョ儳鏉腑銆傞噸澶嶄互涓婃楠や袱娆°2锛...
