实验室中需要配制五百毫升0.1摩尔每升的NaOH溶液 ,请回答下列问题。用托盘天平称量NaOH多少克? 实验室要求配制500mL 0.1mol?L-1Na2CO3溶...
\u5b9e\u9a8c\u5ba4\u4e2d\u9700\u8981\u914d\u5236500mL 0.10mol/L\u7684NaOH\u6eb6\u6db2\uff0c\u5c31\u8be5\u5b9e\u9a8c\u56de\u7b54\u4e0b\u5217\u95ee\u9898\uff0e\uff081\uff09\u7528\u6258\u76d8\u5929\u5e73\u79f0\u53d6NaOH\u56fa\u4f53______\uff081\uff09\u9700\u6c22\u6c27\u5316\u94a0\u7684\u8d28\u91cf\u4e3a\uff1am\uff08NaOH\uff09=0.5L\u00d70.1mol?L-1\u00d740g/mol=2.0g\uff1b\u6c22\u6c27\u5316\u94a0\u6709\u8150\u8680\u6027\u6613\u6f6e\u89e3\u5e94\u653e\u5728\u5c0f\u70e7\u676f\u5185\u8fc5\u901f\u79f0\u91cf\uff0c\u9632\u6b62\u79f0\u91cf\u65f6\u95f4\u8fc7\u957f\uff0cNaOH\u5438\u6c34\uff0c\u6545\u7b54\u6848\u4e3a\uff1a2.0\uff1b\u9632\u6b62\u79f0\u91cf\u65f6\u95f4\u8fc7\u957f\uff0cNaOH\u5438\u6c34\uff1b\uff082\uff09\u914d\u5236500mL\u7684\u6c22\u6c27\u5316\u94a0\u6eb6\u6db2\uff0c\u9700\u8981\u9009\u7528500mL\u5bb9\u91cf\u74f6\uff0c\u5b9a\u5bb9\u65f6\u5fc5\u987b\u4f7f\u7528\u80f6\u5934\u6ef4\u7ba1\u5b9a\u5bb9\uff0c\u6240\u4ee5\u8fd8\u7f3a\u5c11500mL\u5bb9\u91cf\u74f6\u3001\u80f6\u5934\u6ef4\u7ba1\uff1b\u9009\u62e9\u5e26\u523b\u5ea6\u7684500mL\u70e7\u676f\u548c\u73bb\u7483\u68d2\u914d\u5236NaOH\u6eb6\u6db2\uff0c\u7531\u4e8e500mL\u70e7\u676f\u6240\u91cf\u4f53\u79ef\u5e76\u4e0d\u7cbe\u786e\uff0c\u8be5\u540c\u5b66\u6240\u914d\u6eb6\u6db2\u7684\u6d53\u5ea6\u53ea\u662f\u7ea6\u4e3a0.1 mol/L\uff0c\u6545\u7b54\u6848\u4e3a\uff1a500mL\u5bb9\u91cf\u74f6\u3001\u80f6\u5934\u6ef4\u7ba1\uff1b\u7531\u4e8e500mL\u70e7\u676f\u6240\u91cf\u4f53\u79ef\u5e76\u4e0d\u7cbe\u786e\uff0c\u8be5\u540c\u5b66\u6240\u914d\u6eb6\u6db2\u7684\u6d53\u5ea6\u53ea\u662f\u7ea6\u4e3a0.1 mol/L\uff1b\uff083\uff09\u4ece\u6240\u914d\u7684\u6eb6\u6db2\u4e2d\u53d6\u51fa50mL\u4e8e\u4e00\u8bd5\u5242\u74f6\u4e2d\uff0c\u6807\u7b7e\u4e0a\u5e94\u8be5\u6ce8\u660e\u6eb6\u6db2\u7684\u540d\u79f0\u53ca\u6d53\u5ea6\uff0c\u8be5\u6c22\u6c27\u5316\u94a0\u6eb6\u6db2\u7684\u6807\u7b7e\u7684\u5185\u5bb9\u4e3a\uff1a0.10 mol/L NaOH\uff08aq\uff09\uff1b\u82e5\u518d\u4ece\u4e2d\u53d6\u51fa10mL\u6eb6\u6db2\u52a0\u6c34\u7a00\u91ca\u81f320mL\uff0c\u6839\u636en=cV\u53ef\u77e5\uff0c\u6d53\u5ea6\u4e0e\u6eb6\u6db2\u7684\u4f53\u79ef\u6210\u53cd\u6bd4\uff0c\u4f53\u79ef\u6269\u5927\u4e3a\u539f\u5148\u76842\u500d\uff0c\u5219\u6b64\u65f6\u6eb6\u6db2\u7684\u7269\u8d28\u7684\u91cf\u6d53\u5ea6\u4e3a0.01mol/L\u00d712=0.05mol/L\uff0c\u6545\u7b54\u6848\u4e3a\uff1a0.10 mol/L NaOH\uff08aq\uff09\uff1b0.05 mol/L\uff1b\uff084\uff09A\uff0e\u79f0\u91cf\u65f6\u5df2\u89c2\u5bdf\u5230NaOH\u8868\u9762\u6f6e\u6e7f\uff0c\u5bfc\u81f4\u914d\u5236\u7684\u6eb6\u6db2\u4e2d\u6c22\u6c27\u5316\u94a0\u7684\u7269\u8d28\u7684\u91cf\u504f\u5c0f\uff0c\u914d\u5236\u7684\u6eb6\u6db2\u6d53\u5ea6\u504f\u4f4e\uff0c\u6545A\u9519\u8bef\uff1bB\uff0e\u5c06\u70e7\u676f\u4e2d\u6eb6\u89e3\u540e\u7684\u6eb6\u6db2\u7acb\u5373\u6ce8\u5165\u5bb9\u91cf\u74f6\uff0c\u7136\u540e\u518d\u6dfb\u52a0\u84b8\u998f\u6c34\u81f3\u523b\u5ea6\u7ebf\uff0c\u6ca1\u6709\u51b7\u5374\uff0c\u70ed\u7684\u6eb6\u6db2\u4f53\u79ef\u504f\u5927\uff0c\u51b7\u5374\u540e\u6eb6\u6db2\u4f53\u79ef\u53d8\u5c0f\uff0c\u5bfc\u81f4\u914d\u5236\u7684\u6eb6\u6db2\u4f53\u79ef\u504f\u5c0f\uff0c\u914d\u5236\u7684\u6eb6\u6db2\u6d53\u5ea6\u504f\u9ad8\uff0c\u6545B\u9519\u8bef\uff1bC\uff0e\u6447\u5300\u5b9a\u5bb9\u540e\uff0c\u53c8\u7528\u80f6\u5934\u6ef4\u7ba1\u5411\u5bb9\u91cf\u74f6\u4e2d\u6ef4\u52a0\u84b8\u998f\u6c34\u81f3\u523b\u5ea6\u7ebf\uff0c\u5927\u9a97\u5b50\u52a0\u5165\u7684\u84b8\u998f\u6c34\u4f53\u79ef\u504f\u5927\uff0c\u914d\u5236\u7684\u6eb6\u6db2\u4f53\u79ef\u504f\u5927\uff0c\u6eb6\u6db2\u6d53\u5ea6\u504f\u4f4e\uff0c\u6545C\u9519\u8bef\uff1bD\uff0e\u914d\u5236\u6eb6\u6db2\u524d\u7528\u84b8\u998f\u6c34\u6da6\u6d17\u5bb9\u91cf\u74f6\uff0c\u4f46\u672a\u70d8\u5e72\uff0c\u5bf9\u6eb6\u8d28\u7684\u7269\u8d28\u7684\u91cf\u53ca\u6eb6\u6db2\u7684\u4f53\u79ef\u90fd\u6ca1\u6709\u5f71\u54cd\uff0c\u6240\u4ee5\u4e0d\u5f71\u54cd\u914d\u5236\u7ed3\u679c\uff0c\u6545D\u6b63\u786e\uff1b\u6545\u7b54\u6848\u4e3a\uff1aD\uff0e
\uff081\uff09\u5b9e\u9a8c\u5ba4\u914d\u5236500mL0.1mol/LNa2CO3\u6eb6\u6db2\u9700\u8981Na2CO3\u7684\u7269\u8d28\u7684\u91cf\u4e3a\uff1a0.5L\u00d70.1mol/L=0.05mol\uff0cNa2CO3?10H2O\u7684\u7269\u8d28\u7684\u91cf\u4e3a0.05mol\uff0cNa2CO3?10H2O\u7684\u8d28\u91cf\u4e3a\uff1a0.05mol\u00d7286g/mol=14.3g\uff0c\u6545\u7b54\u6848\u4e3a\uff1a14.3\uff1b\uff082\uff09\u7528\u5929\u5e73\u79f0\u91cf\u7269\u4f53\u65f6\u7684\u6b63\u786e\u64cd\u4f5c\u6b65\u9aa4\u662f\uff1a\u5148\u5c06\u6e38\u7801\u79fb\u81f3\u523b\u5ea6\u5c3a\u7684\u96f6\u523b\u5ea6\u5904\u5e76\u8c03\u96f6\u70b9\uff0c\u7136\u540e\u5148\u79f0\u91cf\u7a7a\u7684\u5c0f\u70e7\u676f\u7684\u8d28\u91cf\uff0c\u8bb0\u5f55\u79f0\u91cf\u7684\u7ed3\u679c\uff0c\u5c06\u78b3\u9178\u94a0\u6676\u4f53\u653e\u5165\u5c0f\u70e7\u676f\u4e2d\u79f0\u91cf\uff0c\u8bb0\u5f55\u79f0\u91cf\u7684\u7ed3\u679c\uff0c\u5c06\u781d\u7801\u653e\u56de\u781d\u7801\u76d2\u5185\uff0c\u6700\u540e\u5c06\u6e38\u7801\u79fb\u81f3\u523b\u5ea6\u5c3a\u7684\u96f6\u523b\u5ea6\u5904\uff0c\u6545\u7b54\u6848\u4e3a\uff1aBADFCFEB\uff1b\uff083\uff09\u914d\u5236\u6b65\u9aa4\u6709\u8ba1\u7b97\u3001\u79f0\u91cf\u3001\u6eb6\u89e3\u3001\u51b7\u5374\u3001\u79fb\u6db2\u3001\u6d17\u6da4\u3001\u5b9a\u5bb9\u3001\u6447\u5300\u7b49\u64cd\u4f5c\uff0c\u4e00\u822c\u7528\u6258\u76d8\u5929\u5e73\u79f0\u91cf\uff0c\u7528\u836f\u5319\u53d6\u7528\u836f\u54c1\uff0c\u5728\u70e7\u676f\u4e2d\u6eb6\u89e3\uff0c\u51b7\u5374\u540e\u8f6c\u79fb\u5230500mL\u5bb9\u91cf\u74f6\u4e2d\uff0c\u5e76\u7528\u73bb\u7483\u68d2\u5f15\u6d41\uff0c\u5f53\u52a0\u6c34\u81f3\u6db2\u9762\u8ddd\u79bb\u523b\u5ea6\u7ebf1\uff5e2cm\u65f6\uff0c\u6539\u7528\u80f6\u5934\u6ef4\u7ba1\u6ef4\u52a0\uff0c\u6240\u4ee5\u9700\u8981\u7684\u4eea\u5668\u4e3a\uff1a\u6258\u76d8\u5929\u5e73\u3001\u836f\u5319\u3001\u70e7\u676f\u3001\u73bb\u7483\u68d2\u3001500mL\u5bb9\u91cf\u74f6\u3001\u80f6\u5934\u6ef4\u7ba1\uff0c\u6545\u7b54\u6848\u4e3a\uff1a500mL\u5bb9\u91cf\u74f6\uff1b\u73bb\u7483\u68d2\uff1b\u80f6\u5934\u6ef4\u7ba1\uff1b\uff084\uff09A\uff0e\u5b9a\u5bb9\u65f6\u52a0\u6c34\u65f6\u8d85\u8fc7\u523b\u5ea6\u7ebf\uff0c\u6eb6\u6db2\u4f53\u79ef\u504f\u5927\uff0c\u914d\u5236\u6d53\u5ea6\u504f\u4f4e\uff1bB\uff0e\u6d17\u6da4\u6db2\u672a\u79fb\u5165\u5bb9\u91cf\u74f6\uff0c\u4f1a\u9020\u6210\u6eb6\u8d28\u635f\u5931\uff0c\u4f7f\u914d\u5236\u6eb6\u6db2\u6d53\u5ea6\u504f\u4f4e\uff1bC\uff0e\u5bb9\u91cf\u74f6\u5185\u58c1\u9644\u6709\u6c34\u73e0\u800c\u672a\u5e72\u71e5\uff0c\u5bf9\u6eb6\u8d28\u548c\u6eb6\u5242\u90fd\u65e0\u5f71\u54cd\uff0c\u6240\u4ee5\u914d\u5236\u6d53\u5ea6\u65e0\u5f71\u54cd\uff1bD\uff0e\u5b9a\u5bb9\u65f6\u4fef\u89c6\u523b\u5ea6\u7ebf\uff0c\u5bfc\u81f4\u6c34\u91cf\u4e0d\u8db3\uff0c\u9020\u6210\u6eb6\u6db2\u6d53\u5ea6\u504f\u9ad8\uff1b\u6545\u7b54\u6848\u4e3a\uff1a\u504f\u4f4e\uff1b\u504f\u4f4e\uff1b\u65e0\u5f71\u54cd\uff1b\u504f\u9ad8\uff0e
0.500L * 0.1mol/L * 40g/mol = 2g绛旓細0.500L * 0.1mol/L * 40g/mol = 2g
绛旓細锛1锛閰嶅埗瀹為獙鎵闇瀹為獙姝ラ鏈夌О閲忋佹憾瑙c佺Щ娑层佹礂娑ゃ佸畾瀹逛互鍙婃憞鍖绛夋搷浣滐紝绉伴噺鑽搧鐢ㄦ墭鐩樺ぉ骞筹紝鍔犲叆鍒扮儳鏉腑婧惰В骞剁敤鐜荤拑妫掓悈鎷岋紝鍐峰嵈鍚庣敤鐜荤拑妫掑紩娴佸皢娑蹭綋杞Щ鍒500ml瀹归噺鐡朵腑锛屽綋婧舵恫浣撶Н璺濈鍒诲害绾1锝2cm鏃舵敼鐢ㄨ兌澶存淮绠″畾瀹癸紝鏁呯瓟妗堜负锛氱幓鐠冩銆佽兌澶存淮绠★紱锛2锛500mL 0.1mol/L鐨凬aOH婧舵恫涓紝NaOH...
绛旓細锛1锛瀹為獙瀹ら厤鍒500mL0.1mol/LNa2CO3婧舵恫闇瑕丯a2CO3鐨勭墿璐ㄧ殑閲忎负锛0.5L脳0.1mol/L=0.05mol锛孨a2CO3?10H2O鐨勭墿璐ㄧ殑閲忎负0.05mol锛孨a2CO3?10H2O鐨勮川閲忎负锛0.05mol脳286g/mol=14.3g锛屾晠绛旀涓猴細14.3锛涳紙2锛夌敤澶╁钩绉伴噺鐗╀綋鏃剁殑姝g‘鎿嶄綔姝ラ鏄細鍏堝皢娓哥爜绉昏嚦鍒诲害灏虹殑闆跺埢搴﹀骞惰皟闆剁偣锛岀劧鍚庡厛...
绛旓細锛1锛閰嶅埗500mL 0.1mol?L-1鐨勬阿姘у寲閽犳憾娑诧紝闇瑕佹阿姘у寲閽犵殑鐗╄川鐨勯噺涓猴細0.1mol?L-1脳0.5L=0.05mol锛岄渶瑕佹阿姘у寲閽犵殑璐ㄩ噺涓猴細40g/mol脳0.05mol=2.0g锛涚敱浜庢阿姘у寲閽犲叿鏈夎厫铓鎬э紝瀹规槗娼В鍙樿川锛屾墍浠ョО閲忔椂搴旇鏀惧湪灏忕儳鏉腑绉伴噺锛屾晠绛旀涓猴細2.0g锛涘皬鐑ф澂锛涳紙2锛夐厤鍒朵竴瀹氱墿璐ㄧ殑閲忔祿搴︾殑婧舵恫鐨...
绛旓細锛1锛500mL 0.1mol/L鐨凬a2CO3婧舵恫涓惈鏈夋憾璐ㄧ⒊閰搁挔鐨勭墿璐ㄧ殑閲忎负锛0.1mol/L脳0.5L=0.05mol锛岄渶瑕佺⒊閰搁挔鐨勮川閲忎负锛106g/mol脳0.05mol=5.3g锛屾晠绛旀涓猴細5.3锛涳紙2锛夊皢绉伴噺濂界殑纰抽吀閽犲浐浣撴斁鍦ㄧ儳鏉腑婧惰В锛岃繕闇瑕佷娇鐢ㄧ幓鐠冩鎼呮媽锛屾晠绛旀涓猴細鐑ф澂锛涳紙3锛夋憾瑙g殑纰抽吀閽犳憾娑插喎鍗村悗锛岄渶瑕佽浆绉诲埌500mL...
绛旓細CuSO4涓0.5L*0.1mol/L*160g/mol=8.0g CuSO4 5H2O涓0.5L*0.1mol/L*250g/mol=12.5g
绛旓細L-1脳40g/mol=2.0g锛庢阿姘у寲閽犳湁鑵愯殌鎬э紝鏄撴疆瑙o紝搴旀斁鍦ㄥ皬鐑ф澂鍐呰繀閫熺О閲忥紟鏁呯瓟妗堜负锛2.0锛涘皬鐑ф澂锛庯紙2锛閰嶅埗500ml锛0.1mol/LNaOH婧舵恫锛屾搷浣滄楠ゆ湁璁$畻銆佺О閲忋佹憾瑙c佺Щ娑层佹礂娑ょЩ娑层佸畾瀹广佹憞鍖绛夋搷浣滐紝涓鑸敤鎵樼洏澶╁钩绉伴噺锛岀敤鑽寵鍙栫敤鑽搧锛屽湪鐑ф澂涓憾瑙o紝鐢ㄧ幓鐠冩鎼呮媽锛屽姞閫熸憾瑙o紝鍐峰嵈鍚庤浆绉诲埌...
绛旓細锛1锛閰嶅埗瀹為獙鎵闇瀹為獙姝ラ鏈夌О閲忋佹憾瑙c佺Щ娑层佹礂娑ゃ佸畾瀹逛互鍙婃憞鍖绛夋搷浣滐紝绉伴噺鑽搧鐢ㄦ墭鐩樺ぉ骞筹紝鍔犲叆鍒扮儳鏉腑婧惰В骞剁敤鐜荤拑妫掓悈鎷岋紝鍐峰嵈鍚庣敤鐜荤拑妫掑紩娴佸皢娑蹭綋杞Щ鍒500ml瀹归噺鐡朵腑锛屽綋婧舵恫浣撶Н璺濈鍒诲害绾1锝2cm鏃舵敼鐢ㄨ兌澶存淮绠″畾瀹癸紝鏁呯瓟妗堜负锛氱幓鐠冩銆佽兌澶存淮绠★紱锛2锛500mL 0.1mol/L鐨凬aOH婧舵恫涓紝NaOH...
绛旓細锛1锛閰嶅埗0.1mol/L鐨凬aOH婧舵恫500mL锛岄渶瑕佹阿姘у寲閽犵殑鐗╄川鐨勯噺涓猴細0.1mol/L脳0.5L=0.05mol锛岄渶瑕佹阿姘у寲閽犵殑璐ㄩ噺涓猴細40g/mol脳0.05mol=2.0g锛屾晠绛旀涓猴細2.0锛涳紙2锛夐厤鍒朵竴瀹氱墿璐ㄧ殑閲忔祿搴︾殑婧舵恫浣跨敤鐨勪华鍣ㄦ湁锛氭墭鐩樺ぉ骞炽佺儳鏉佺幓鐠冩銆佽嵂鍖欍500mL瀹归噺鐡躲佽兌澶存淮绠$瓑锛屾墍浠ラ厤鍒舵椂锛屽繀椤讳娇鐢ㄧ殑...
绛旓細锛1锛500ml0.1mol/L鐨凬aOH婧舵恫涓惈鏈夋阿姘у寲閽犵殑鐗╄川鐨勯噺涓猴細0.1mol/L脳0.5L=0.05mol锛岄渶瑕佹阿姘у寲閽犵殑璐ㄩ噺涓猴細40g/mol脳0.05mol=2.0g锛涚敱浜庢阿姘у寲閽犲叿鏈夎厫铓鎬т笖瀹规槗娼В锛岀О閲忔椂闇瑕佹斁鍦ㄧ儳鏉垨琛ㄩ潰鐨夸腑绉伴噺锛屾晠绛旀涓猴細2.0锛涚儳鏉垨琛ㄩ潰鐨匡紱锛2锛閰嶅埗500ml0.1mol/L鐨凬aOH婧舵恫椤哄簭鏄細璁$畻...