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  • ºÐ¼®È­ÇнÇÇè1 3ÁÖÂ÷ Preparation and standardization of free carbonated 0.1 M NaOH   (1 ÆäÀÌÁö)
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ÆÄÀÏ : ºÐ¼®È­ÇнÇÇè1 3ÁÖÂ÷ Preparation and standardizatio~.hwp   [Size : 77 Kbyte ]
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1. Title Preparation and standardization of free carbonated 0. 1 M NaOH´Â ºÐ¼®È­Çп¡¼­..
¸ñÂ÷/Â÷·Ê

1. Title

2. Date, Temperature, Humidity

3. Principle & Object

3-1. Principle
3-2. Object

4. Reagent

5. Apparatus & Instrument

5-1. Apparatus
5-2. Instruments
5-3. ÀåÄ¡µµ

6. Procedure

6-1. Preparation of 250 mL 0.1 M NaOH solution
6-2. Calibration of pH meter
6-3. Standardization using primary standard material PHP
6-4. Standardization using secondary standard 0.1 M HCl(aq) solution
6-5. pH meter »ç¿ë¹ý ¹× ÁÖÀÇ»çÇ×
6-6. ¿ë¾× Á¶Á¦ ½Ã/ Ç¥ÁØÈ­ ½Ã ÁÖÀÇ»çÇ×

7. Result

7-1. 0.1 M HCl(aq)ÀÇ ½ÇÁ¦ ¸ô³óµµ (M) (Ex-2¿¡¼­ Á¶Á¦ÇÑ HCl(aq)ÀÇ ³óµµ)
7-2. 0.1 M NaOH 250 mL Á¶Á¦ÇÒ ¶§ ÇÊ¿äÇÑ Áú·® (g) °è»ê½Ä
7-3. ¿ë¾× Á¶Á¦ÇÒ ¶§ ½Ã¾àÀÇ ½ÇÁ¦ Ī·®ÇÑ Áú·® (g)
7-4. PHP¸¦ ÀÌ¿ëÇÑ Ç¥ÁØÈ­
7-5. 0.1 M HCl(aq)À» ÀÌ¿ëÇÑ Ç¥ÁØÈ­

8.Discussion

¨ç°á°ú ºÐ¼® ¹× ¿ÀÂ÷ ¿øÀÎ

¨è»ê-¿°±â ÀûÁ¤ÀÇ Á¾·ù

¨é Áö½Ã¾à PhenolphthaleinÀÇ ¿ø¸®

¨ê»ê-¿°±â Áö½Ã¾àÀÇ Á¾·ù

9. Reference

º»¹®/³»¿ë
1. Title

Preparation and standardization of free carbonated 0. 1 M NaOH´Â ºÐ¼®È­Çп¡¼­ ÇʼöÀûÀÎ °úÁ¤À¸·Î, È­ÇÐÀû ºÐ¼®ÀÇ Á¤È®¼ºÀ» À§ÇØ Áß¿äÇÑ ´Ü°èÀÌ´Ù. ÀÌ ½ÇÇèÀÇ ¸ñÀûÀº 0. 1 M ³óµµÀÇ Åº»ê³ªÆ®·ý(NaOH) ¿ë¾×À» ÁغñÇÏ°í Ç¥ÁØÈ­ÇÏ´Â °ÍÀÌ´Ù. NaOH´Â °­¿°±âÀ̸ç, ¼ö¿ë¾×¿¡¼­ ³ôÀº pH¸¦ ³ªÅ¸³»±â ¶§¹®¿¡ ¿©·¯ °¡Áö ºÐ¼® ½ÇÇè¿¡¼­ ÀûÁ¤Á¦·Î ±¤¹üÀ§ÇÏ°Ô »ç¿ëµÈ´Ù. ÇÏÁö¸¸ NaOH´Â ´ë±â ÁßÀÇ ÀÌ»êȭź¼Ò(CO¿Í ½±°Ô ¹ÝÀÀÇÏ¿© ź»ê¿°À¸·Î ÀüȯµÉ ¼ö ÀÖ´Ù. ÀÌ·¯ÇÑ ÀÌÀ¯·Î, NaOH ¿ë¾×ÀÌ ½Ã°£ÀÌ Áö³²¿¡ µû¶ó ³óµµ°¡ º¯ÇÒ ¼ö Àֱ⠶§¹®¿¡, Á¤È®ÇÑ ÃøÁ¤À» À§Çؼ­´Â ¹Ýµå½Ã Ç¥ÁØÈ­ °úÁ¤À» °ÅÃÄ¾ß ÇÑ´Ù. ÀÌ ½ÇÇè¿¡¼­´Â ¸ÕÀú 0. 1 M NaOH¸¦ Á¶Á¦ÇÏ´Â °úÁ¤ÀÌ Æ÷ÇԵȴÙ. 0. 1 M NaOH¸¦ ¸¸µé±â À§Çؼ­´Â Á¤È®ÇÑ ºÐÀÚ·®À» ±â¹ÝÀ¸·Î ÇÏ¿© NaOHÀÇ ÀûÁ¤·®À» °è»êÇÏ°í À̸¦ Áõ·ù¼ö¿¡ ¿ëÇØÇÏ¿© ÀÏÁ¤ ºÎÇÇÀÇ ¿ë¾×À» ¸¸µé¾î¾ß ÇÑ´Ù. À̶§ »ç¿ëÇÒ NaOH´Â ¼öºÐÀÌ ¸¹Àº °íü ÇüÅ·Î, ±ú²ýÇÑ À¯¸® ±â±¸¸¦ »ç¿ëÇÏ¿© ºüÁü¾øÀÌ ¿ëÇØÇØ¾ß ÇÑ´Ù. ¿ë¾×ÀÌ ÁغñµÇ¸é, À̸¦ NaOHÀÇ Á¤È®ÇÑ ³óµµ¸¦ ¾Ë±â À§ÇØ Ç¥ÁØ »êÀΠȲ»ê(H2SO µîÀ» »ç¿ëÇÏ¿© ÀûÁ¤ÇÏ¿© Ç¥ÁØÈ­ °úÁ¤À» ÁøÇàÇÑ´Ù. Ç¥ÁØÈ­ °úÁ¤¿¡¼­´Â ¼¼½ÉÇÑ¡¦(»ý·«)


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Regist : 2024-10-20
Update : 2024-10-20
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È­ÇнÇÇè   ÁÖÂ÷   Preparation   st   ardization   free   carbonated   NaOH   ºÐ¼®È­ÇнÇÇè1   3ÁÖÂ÷  


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