{"id":48060,"date":"2026-07-30T09:01:28","date_gmt":"2026-07-30T00:01:28","guid":{"rendered":"https:\/\/blog.agentsoft.co.kr\/index.php\/2026\/07\/30\/48060\/"},"modified":"2026-07-30T09:01:28","modified_gmt":"2026-07-30T00:01:28","slug":"a-%eb%a0%88%ed%8f%ac%ed%8a%b8-%eb%b6%84%ec%84%9d%ed%99%94%ed%95%99%ec%8b%a4%ed%97%98-2-preparation-standardization-of-0-1-m-hcl","status":"publish","type":"post","link":"https:\/\/blog.agentsoft.co.kr\/index.php\/2026\/07\/30\/48060\/","title":{"rendered":"[A+ \ub808\ud3ec\ud2b8] \ubd84\uc11d\ud654\ud559\uc2e4\ud5d8 2. Preparation & standardization of 0.1 M HCl"},"content":{"rendered":"

<\/p>\n

\ubaa9\ucc28<\/strong><\/p>\n

1. Principle & object<\/p>\n

2. Reagents<\/p>\n

3. Apparatus & Instruments<\/p>\n

4. Procedure (\uc7a5\uce58\ub3c4, \uae30\uae30 \uc0ac\uc6a9\ubc95 \ud3ec\ud568)<\/p>\n

5. Result (\ubc18\uc751\uc2dd\uacfc \uacc4\uc0b0\uc2dd \ud3ec\ud568)<\/p>\n

6. Homework
\n1) HCl\uc758 \ubab0\ub18d\ub3c4\ub97c \uad6c\ud558\uae30 \uc704\ud558\uc5ec, \uc704 \ub450 \uac00\uc9c0 \ubc29\ubc95 \uc911 \ub354 \uc815\ud655\ud55c \ubc29\ubc95\uc774 \ubb34\uc5c7\uc778\uc9c0 \uace0\ucc30
\n2) \uc9c0\uc2dc\uc57d\uc774 \uc0c9\uc744 \ub760\ub294 \uc774\uc720
\n3) \uc790\uc720 \uace0\ucc30<\/p>\n

\ubcf8\ubb38\ub0b4\uc6a9<\/strong><\/p>\n

4-1. Principle
\n\uc2dc\ud310 \uc5fc\uc0b0\uc744 \ud76c\uc11d\ud558\uc5ec 0.1 M HCl(aq)\uc744 \uc870\uc81c\ud558\uace0, 0.05 M Na2CO3 \ud45c\uc900 \uc6a9\uc561\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc911\ud654\uc801\uc815 \ubc18\uc751\uc744 \uc774\uc6a9\ud574 \ud45c\uc900\ud654\ud55c\ub2e4. (\uc544\ub798 \uc2dd1\uacfc 2 \uc774\uc6a9) \uc9c0\uc2dc\uc57d\uc73c\ub85c\ub294 methyl red\ub97c \uc0ac\uc6a9\ud558\uace0, \uc804\uc704\ucc28\ubc95\uc73c\ub85c\ub294 pH meter\ub97c \uc774\uc6a9\ud558\uc5ec \ubcc0\uc0c9 \ub610\ub294 pH\uac00 \uae09\ubcc0\ud558\ub294 \uc885\ub9d0\uc810\uc744 \uc774\uc6a9\ud558\uc5ec HCl(aq)\uc758 \ub18d\ub3c4\ub97c \uacc4\uc0b0\ud55c\ub2e4. \uc774\ub54c \ud0c4\uc0b0\ub098\ud2b8\ub968\uc740 \uc774\uc591\uc131\uc790\uc0b0\uc758 \uc5fc\uc774\uae30 \ub54c\ubb38\uc5d0 \uc801\uc815 \uace1\uc120\uc758 pH\ub294 \ub450 \uad70\ub370\uc5d0\uc11c \ud06c\uac8c \ubcc0\ud654\ud55c\ub2e4. Methyl red\ub294 pH\uac00 4.4\ubcf4\ub2e4 \ub0ae\uc744 \ub54c \ubd89\uc740\uc0c9, pH\uac00 6.2\ubcf4\ub2e4 \ub192\uc744 \ub54c \ub178\ub780\uc0c9\uc744 \ub760\uba70 \uadf8 \uc0ac\uc774\uc5d0\uc11c\ub294 \uc8fc\ud669\uc0c9\uc744 \ub764\ub2e4.
\n\uc801\uc815\ubc18\uc751: Na2CO3 + 2HCl(aq) \u2192 2NaCl(aq) + CO2(g) + H2O(l)
\n\ubab0\ub18d\ub3c4-%\ub18d\ub3c4 \ubcc0\ud658 \uacf5\uc2dd: (\uc2dd 1)
\n\ud76c\uc11d \uacf5\uc2dd: MV=M\u2019V\u2019 (\uc2dd 2)
\n4-2. Object
\n\uc0b0-\uc5fc\uae30 \uc911\ud654\ubc18\uc751\uc744 \uc774\uc6a9\ud574\uc11c \uc9c0\uc2dc\uc57d\ubc95, \uc804\uc704\ucc28\ubc95\uc73c\ub85c \uc885\ub9d0\uc810\uae4c\uc9c0\uc758 \uc801\uc815 \uc18c\ube44\ub7c9\uc744 \uad6c\ud558\uc5ec \uc815\ub7c9\ud558\ub294 \uc6d0\ub9ac\uc640 \ubc29\ubc95\uc744 \uc774\ud574\ud55c\ub2e4.<\/p>\n

i. Reagents
\nHydrochloric acid
\n\ubd84\uc790\uc2dd: HCl
\nMW: 36.4609 g\/mol
\n\uc601\ubb38\uba85: Hydrochloric acid
\n\uad6d\ubb38\uba85: \uc5fc\uc0b0
\n\ubc00\ub3c4: 1.18 g\/cm3
\n\ub179\ub294\uc810: -114\u2103
\n\ub053\ub294\uc810: -85\u2103
\n\uc8fc\uc758\uc0ac\ud56d: \uc5f4\uacfc \ubb3c\uc744 \uc870\uc2ec\ud55c\ub2e4. \uc0bc\ud0a4\uac70\ub098 \ud761\uc785, \ud53c\ubd80\uc5d0 \ub2ff\uc744 \uacbd\uc6b0, \uc720\ub3c5\ud558\uac70\ub098 \ud654\uc0c1 \ubc0f \uc190\uc0c1\uc744 \uc785\ud790 \uc218 \uc788\ub2e4.
\nSodium carbonate
\n\ubd84\uc790\uc2dd: Na2CO\u2083
\nMW: 105.99 g\/mol
\n\uc601\ubb38\uba85: Sodium carbonate
\n\uad6d\ubb38\uba85: \ud0c4\uc0b0\ub098\ud2b8\ub968
\n\ubc00\ub3c4: 2.54 g\/cm\u00b3
\n\ub179\ub294\uc810: 100\u2103
\n\ub053\ub294\uc810: 851\u2103
\n\uc8fc\uc758\uc0ac\ud56d: \uc5f4, \uc2a4\ud30c\ud06c, \ud654\uc5fc \ub4f1 \uc810\ud654\uc6d0 \ubc0f \uac00\uc5f0\uc131 \ubb3c\uc9c8, \ud658\uc6d0\uc131 \ubb3c\uc9c8\uc744 \ud53c\ud55c\ub2e4.
\n\ub208\uc5d0 \uc2ec\ud55c \uc190\uc0c1\uc744 \uc77c\uc73c\ud0a4\uace0, \ud761\uc785\ud558\uba74 \uc704\ud5d8\ud558\uba70 \ud638\ud761\uae30 \uc790\uadf9\uc744 \uc904 \uc218 \uc788\ub2e4.<\/p>\n

\ucd9c\ucc98 : \ud574\ud53c\ucea0\ud37c\uc2a4<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

\ubaa9\ucc28 1. Principle & object 2. Reagents 3. Apparatus & Instruments 4. Procedure (\uc7a5\uce58\ub3c4, \uae30\uae30 \uc0ac\uc6a9\ubc95 \ud3ec\ud568) 5. Result (\ubc18\uc751\uc2dd\uacfc \uacc4\uc0b0\uc2dd \ud3ec\ud568) 6. Homework 1) HCl\uc758 \ubab0\ub18d\ub3c4\ub97c \uad6c\ud558\uae30 \uc704\ud558\uc5ec, \uc704 \ub450 \uac00\uc9c0 \ubc29\ubc95 \uc911 \ub354 \uc815\ud655\ud55c \ubc29\ubc95\uc774 \ubb34\uc5c7\uc778\uc9c0 \uace0\ucc30 2) \uc9c0\uc2dc\uc57d\uc774 \uc0c9\uc744 \ub760\ub294 \uc774\uc720 3) \uc790\uc720 \uace0\ucc30 \ubcf8\ubb38\ub0b4\uc6a9 4-1. Principle \uc2dc\ud310 \uc5fc\uc0b0\uc744 \ud76c\uc11d\ud558\uc5ec 0.1 M […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[8801,58498,55556,58428,58457],"class_list":["post-48060","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-8801","tag-58498","tag-55556","tag-58428","tag-58457"],"_links":{"self":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts\/48060","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/comments?post=48060"}],"version-history":[{"count":0,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/posts\/48060\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/media?parent=48060"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/categories?post=48060"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.agentsoft.co.kr\/index.php\/wp-json\/wp\/v2\/tags?post=48060"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}