{"id":3991,"date":"2022-03-25T09:09:28","date_gmt":"2022-03-25T01:09:28","guid":{"rendered":"https:\/\/www.hnyt99.com\/?p=3991"},"modified":"2022-03-26T10:16:29","modified_gmt":"2022-03-26T02:16:29","slug":"890","status":"publish","type":"post","link":"https:\/\/www.hnyt99.com\/baike\/shuizijc\/890.html","title":{"rendered":"\u6c34\u8d28\u76d1\u6d4b\u4e2d\u6807\u51c6\u6eb6\u6db2\u914d\u5236\u7684\u4f8b\u9898"},"content":{"rendered":"\n
\u3000\u3000\u3010\u4f8b\u98984-11\u3011\u914d\u52361000mLCNaOH=0.5mol\/L\u7684NaOH\u6807\u51c6\u6eb6\u6db2\uff0c\u5982\u4f55\u6807\u5b9a?<\/p>\n\n\n\n
\u3000\u3000\u89e3\uff1a\u5148\u914d\u5236NaOH\u7684\u9971\u548c\u6eb6\u6db2\u3002\u79f0\u53d6100gNaOH\uff0c\u6eb6\u4e8e100mL\u6c34\u4e2d\uff0c\u6447\u5300\uff0c\u6ce8\u5165\u805a\u4e59\u70ef\u74f6\u4e2d\uff0c\u5bc6\u95ed\u653e\u7f6e\u81f3\u6eb6\u6db2\u6e05\u4eae\u3002\u7528\u5851\u6599\u7ba1\u8679\u543826mL\u6e05\u6db2\uff0c\u6ce8\u51651000mL\u65e0CO2\u7684\u6c34\u4e2d\uff0c\u6447\u5300\u3002<\/p>\n\n\n\n
\u3000\u3000\u6807\u5b9a\uff1a\u79f0\u53d6\u5df2\u5728105-110\u2103\u5e72\u71e5\u81f3\u6052\u91cd(3-4h\u7684\u90bb\u82ef\u4e8c\u7532\u9178\u6c22\u94be2.5-3.5g(\u79f0\u51c6\u81f30.0001g))4\u4efd\uff0c\u8bbem1=2.8619\u3001m2=3.0368\u3001m3=3.3282\u3001m4=3.056g,\u5206\u522b\u6eb6\u89e3\u572880mL\u65e0CO2\u7684\u6c34\u4e2d\uff0c\u52a02\u6ef4\u915a\u915e\u6307\u793a\u5242\uff0c\u7528\u914d\u597d\u7684NaOH\u6eb6\u6db2\u6ef4\u5b9a\u81f3\u5fae\u7ea2\u8272\u4e3a\u7ec8\u70b9(\u6eb6\u6db2\u6e29\u5ea6\u5e94\u4e0d\u4f4e\u4e8e50\u2103)\u3002\u8bbe\u6d88\u8017\u7684\u4f53\u79ef\u5206\u522b\u4e3aV1=27.88\u3001V2=29.58\u3001V3=32.45\u3001V4=29.80mL\uff0c\u540c\u65f6\u4f5c\u7a7a\u767d\u8bd5\u9a8c\uff0cV0=0\u3002<\/p>\n\n\n\n \u3000\u3000\u5e73\u5747\u503c=0.5024mol\/L<\/p>\n\n\n\n \u3000\u3000\u4ee5\u4e0a\u4e3e\u4f8b\u8bf4\u660e\u7528\u57fa\u51c6\u6807\u5b9a\u7684\u5168\u8fc7\u7a0b\uff0c\u51e1\u7528\u57fa\u51c6\u7269\u6807\u5b9a\u65f6\uff0c\u90fd\u8981\u6309\u7a0b\u5e8f\u8fdb\u884c\u3002<\/p>\n\n\n\n \u3000\u3000\u3010\u4f8b\u98984-12\u3011\u7528\u5e02\u552e36%(m\/m%)\u7684\u6d53HCl\uff0c\u914d\u5236CHCl=1.0mol\/L\u76d0\u9178\u6807\u51c6\u6eb6\u6db21000mL\uff0c\u5982\u4f55\u914d\u5236\u53ca\u6807\u5b9a?<\/p>\n\n\n\n \u3000\u3000\u89e3\uff1a\u5df2\u77e5x=36%,\u03c1=1.18g\/mL, MHCl=36.4g\/mol, M1\/2Na2CO3=52.99g\/mol, CHCl=1.0mol\/L<\/p>\n\n\n\n \u3000\u3000\u4ee3\u5165\u5f0f4-8 \u00a0\u5f97\u00a0\u00a0\u00a0\u00a0\u00a0<\/p>\n\n\n\n \u3000\u3000\u52a0\u6c34\u91cf1000-86=914mL<\/p>\n\n\n\n \u3000\u3000\u914d\u5236\uff1a\u91cf\u53d686mL\u76d0\u9178(\u03c120=1.18g\/mL),\u52a0\u5165914mL\u6c34\u4e2d\uff0c\u6df7\u5408\u5747\u5300\u3002<\/p>\n\n\n\n \u3000\u3000\u6807\u5b9a\uff1a\u7cbe\u786e\u79f0\u91cf\u7ecf180\u2103\u70d8\u5e722h\uff0c\u5e76\u4e8e\u5e72\u71e5\u5668\u51b7\u5374\u7684\u65e0\u6c34Na2CO3(0.1-0.15g)4\u4efd\uff0c\u5206\u522b\u653e\u5165250mL\u9525\u5f62\u74f6\u4e2d\uff0c\u5404\u52a0\u5165100mL\u65e0CO2\u84b8\u998f\u6c34\uff0c\u52a0\u51652-4\u6ef4\u7532\u57fa\u6a59\u6307\u793a\u5242\u3002\u7528\u914d\u5236\u597d\u76841.0mol\/L\u5f97\u76d0\u9178\u6ef4\u5b9a\u81f3\u51fa\u73b0\u6de1\u6854\u7ea2\u8272\u4e3a\u6b62\u3002\u8bb0\u5f55\u7528\u91cf\u3002\u540c\u65f6\u505a\u7a7a\u767d\u8bd5\u9a8c\u3002<\/p>\n\n\n\n \u3000\u3000\u5c06\u5404\u6ef4\u5b9a\u7ed3\u679c\u4ee3\u51654-10\u5f0f\uff0c\u8ba1\u7b97\u51fa\u76d0\u9178\u6807\u51c6\u6eb6\u6db2\u7684\u51c6\u786e\u6d53\u5ea6\u3002<\/p>\n\n\n\n \u3000\u3000\u3010\u4f8b\u98984-13\u3011\u914d\u5236CNa2S2O3=0.1mol\/L\u7684\u6807\u51c6\u6eb6\u6db2100mL\uff0c\u5982\u4f55\u914d\u5236\u548c\u6807\u5b9a?<\/p>\n\n\n\n \u3000\u3000\u89e3\uff1a\u5df2\u77e5CNa2S2O3=0.1mol\/L,V=1000mL\uff0cMNa2S2O3=248.18g\/mol<\/p>\n\n\n\n \u3000\u3000\u4ee3\u5165\u5f0f4-7 mNa2S2O3\u00b75H2O=0.124*(1000\/1000)*8.18=24.8g<\/p>\n\n\n\n \u3000\u3000\u914d\u5236\uff1a\u79f0\u53d625gNa2S2O3\u00b75H2O\uff0c\u6eb6\u4e8e1000mL\u716e\u6cb8\u5e76\u51b7\u5374\u540e\u7684\u7eaf\u6c34\u4e2d\uff0c\u6b64\u6eb6\u6db2\u6d53\u5ea6\u7ea6\u4e3a0.1mol\/L\u3002\u52a0\u51650.4g\u6c27\u5316\u94a0\u62160.2g\u65e0\u6c34\u78b3\u9178\u94a0\uff0c\u8d2e\u4e8e\u68d5\u8272\u74f6\u5185\uff0c\u653e\u7f6e10\u5929\u540e\u8fdb\u884c\u6807\u5b9a\u3002<\/p>\n\n\n\n \u3000\u3000\u6807\u5b9a\uff1a\u53d6\u7898\u9178\u94be(KIO3)\uff0c\u5728105\u2103\u4e0b\u70d8\u5e721h\uff0c\u7f6e\u4e8e\u5e72\u71e5\u5668\u4e2d\u51b7\u537430min\u3002\u51c6\u786e\u79f0\u53d64\u4efd\uff0c\u5404\u7ea60.15g\u3002\u5206\u522b\u653e\u5165250mL\u7898\u91cf\u74f6\u4e2d\u3002\u6bcf\u74f6\u4e2d\u5404\u52a0\u5165100mL\u7eaf\u6c34\uff0c\u4f7fKIO3\u6eb6\u89e3\uff0c\u518d\u5404\u52a03g\u7898\u5316\u94be\u53ca10mL\u51b0\u4e59\u9178\uff0c\u5728\u6697\u5904\u653e\u7f6e5min\u3002\u7528\u5f85\u6807\u5b9a\u7684Na2S2O3\u6eb6\u6db2\u6ef4\u5b9a\uff0c\u76f4\u81f3\u6eb6\u6db2\u5448\u6de1\u9ec4\u8272\u65f6\uff0c\u52a0\u51651mL0.5%\u6dc0\u7c89\u6eb6\u6db2\uff0c\u7ee7\u7eed\u6ef4\u5b9a\u81f3\u6070\u4f7f\u84dd\u8272\u892a\u53bb\u4e3a\u6b62\uff0c\u8bb0\u5f55\u7528\u91cf\u3002M1\/2KIO3=35.67g\/mol,\u5c06\u6d4b\u5b9a\u539f\u59cb\u6570\u636e\u4ee3\u5165\u5f0f(4-10)\u8ba1\u7b97\u51fa\u786b\u4ee3\u786b\u9178\u94a0\u6807\u51c6\u6eb6\u6db2\u7684\u6d53\u5ea6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":" \u3000\u3000\u3010\u4f8b\u98984-11\u3011\u914d\u52361000mLCNaOH=0.5mol\/L\u7684NaOH\u6807\u51c6\u6eb6\u6db2\uff0c\u5982\u4f55\u6807\u5b9a? \u3000\u3000\u89e3\uff1a\u5148\u914d\u5236 …<\/p>\n<\/figure>\n\n\n\n
<\/figure>\n\n\n\n