GOLD
GOLD ??? ??? ??

?????? A+ ??? ?? ?? ??? ??

?? ??? ?? ????, ????? ??? ??? ????? ??? ? ????.
14 ???
??
????? 2023.05.17 ????? 2021.05
14P ????
?????? A+ ??? ?? ?? ??? ??
  • ????

    ??

    ?? ??? ?? ????, ????? ??? ??? ????? ??? ? ????.

    ??

    1. Experimental equipment
    2. Result
    3. Discussion

    ????

    . ?? ??
    1. pH meter
    2. pH 4.01, 7.0, 10.01 buffer solution
    3. clamp
    4. stand
    5. 50ml buret x2
    6. double buret clamp
    7. funnel
    8. 250ml beaker x2
    9. 250ml Volumetric flask
    10. Hot plate
    11. Magnetic bar

    . ??
    1. Sodium hydroxide [1]
    2. Acetic acid [2]
    3. 0.1N Hydrochloric acid standard solution [3]
    4. Antacid
    5. Phenolphthalein indicator [4]

    6. Result
    ?? A. ?? ??
    ??, ?? A?? ??? ??? ??? ??? ????, ??? ??? ??? ??. ?? 10ml? ??????? ??? 10ml?? ??? 1 g/mL ? ?? ??? ?? ??? ??? 10g? ??.
    NaOH 1.065g? ???? 0.1N NaOH ??? 266ml? ?????. ??? ??? NaOH ???? pH meter? ???? 0.1N HCl 50ml? ?? ??? ??? ?? pH? 7? ??? ??? NaOH 47.3ml? ????? NV=N¡¯V¡¯? ??? 0.1N x 50ml =N' x 47.3ml ? ??? ??? 0.106N?? ????. ??? NaOH ?? ??? ??? 0.106N?? ??.
    10ml? ??? 50ml? ???? ?? NaOH? ?? ??? ??. ???? ???? ????? ???? ??? ?????, ?? ??? NaOH? ??? 106ml??.
    ??? NaOH? ??? MV? ???? ???, NaOH? 1? ????? ???? 1?? ???? 0.106M? ??, V? 106ml??? 0.106 L ¡Á0.106mol/L¡Ö0.011 mol ? ??.

    ????

    ¡¤ google ¡®titration curve¡¯ ??
    ¡¤ https://www.ck12.org/chemistry/titration-curves/lesson/Titration-Curves-CHEM/?referrer=concept_details
    ¡¤ ??? ???? ¡®???¡¯ ??¡ú ????
    ¡¤ https://terms.naver.com/entry.naver?docId=1126299&cid=40942&categoryId=32256
    ¡¤ Google ¡®reaction of baking soda and vinegar¡¯ ??¡ú ?? ???
    ¡¤ https://www.thoughtco.com/equation-for-the-reaction-of-baking-soda-and-vinegar-604043
    ¡¤ [??? ????] ???? [acetic acid] (????) [13]
    ¡¤ https://terms.naver.com/entry.naver?docId=5827599&cid=62802&categoryId=62802
    ¡¤ [??? ????] ??? [dimer, ¶þºÏów] (????) [11]
    ¡¤ https://terms.naver.com/entry.naver?docId=113578&cid=40942&categoryId=32251
    ¡¤ [??? ????] ?? ?? [resonance structure] (????) [12]
    ¡¤ https://terms.naver.com/entry.naver?docId=5663148&cid=62802&categoryId=62802
    ¡¤ ??? ???? ¡ú ??? ?? ¡ú ???? ??[1]
    ¡¤ https://terms.naver.com/entry.naver?docId=1076880&cid=40942&categoryId=32251
    ¡¤ ??
    ¡¤ ??? ?? ????? ?? ???? ?? ???? ???? ???? ?? ??
    ¡¤ Sensors Systems & Applications : Design of an Automatic Titration System for Caustic Soda Treatment System Using the Equivalent Point Estimation Algorithm, ???, ??????, 1994 [6]
    ¡¤ https://scienceon.kisti.re.kr/commons/util/originalView.do?cn=JAKO199400842579220&dbt=JAKO&koi=KISTI1.1003%2FJNL.JAKO199400842579220
    ¡¤ ?? ??????? ???? ?? ??? ??(II), ???(II) ? ??(II) ???? ?? ? ???? ?? ?? = Syntheses and properties of new Pt(II), Pd(II) and Ni(II) complexese containing an organic isocyanate dimer, ???, ?? : ??????? ?????, 2019 [11]
    ¡¤ http://www.riss.kr/search/detail/DetailView.do?p_mat_type=be54d9b8bc7cdb09&control_no=418740ba158b17dcffe0bdc3ef48d419
    ¡¤ ?? ??
    ¡¤ Google ¡®chemsrc¡¯ ??¡úchemsrc ??? ¡®sodium hydroxide¡¯ ?? [1]
    ¡¤ https://www.chemsrc.com/en/cas/8012-01-9_1557745.html
    ¡¤ Google ¡®chemsrc¡¯ ??¡úchemsrc ??? ¡®hydrochloric acid¡¯ ?? [3]
    ¡¤ https://www.chemsrc.com/en/cas/7647-01-0_81412.html
    ¡¤ Google ¡®chemsrc¡¯ ??¡úchemsrc ??? ¡®phenolphthalein¡¯ ?? [4]
    ¡¤ https://www.chemsrc.com/en/cas/77-09-8_895872.html
    ¡¤ Google ¡®chemsrc¡¯ ??¡úchemsrc ??? ¡®acetic acid¡¯ ?? [2]
    ¡¤ https://www.chemsrc.com/en/cas/64-19-7_162032.html
    ¡¤ Google ¡®chemsrc¡¯ ??¡úchemsrc ??? ¡®distilled water¡¯ ?? [5]
    ¡¤ https://www.chemsrc.com/en/cas/7732-18-5_895090.html
  • AI? ?? ????

  • ????

      Ai ??
      ?? ??? ??? ??? ???? ?-?? ??? ????? ???? ?? ??? ???? ?? ??? ??? ? ?? ??? ???? ????.
    • ??????? ??? ??? ???

      ????? FAQ ???

      ? ?????

      • ??? ?? ? ??? ???? ??? ?????? ???? ???, ?? ?? ? ??? ???? ?? ?? ??? ?? ????? ????.
        ?? ? ??? ??? ??? ??, ?? ?????? ???? ????.
        ?????, ???? ? ?? ?? ?? ? ????? ????? ????? ??? ??? ????.
      • ?????? ???? ??? ??? ???? ???? ??? ???? ???, ??? 4?? ???? ??? ? ?????? ????.
        ???? ???? ??? ?? ??? ?? ?? ???
        ??? ????? ??? ?? ??? ????? ?? ?????? ?? ???? ?? ?? ?? ??? 70% ?? ??? ???? ?? (???? ??? ? ?? ?? ???) ???? ?? ???, ????, ??, ?? ?? ??? ??? ?? ??? ??? ?? ??? ??? ???? ?? ??

    ???? ??? ?????

    ?? ?? ??? ???? ???!
    ?? ??? ????? EasyAI
    ?????. ?????? ??? ?? ??? ???? ???? ??? ????? EasyAI ???.
    ?? ??? ?? ??? ??????.
    - ??? ???? ???? ?????? ?? ??? ????.
    - ??? ???? ?? ??? ??? ????.
    - ????? ?? ??? ???? 1? ?? ?? ? ????. ?? ?? ??? ???!
    ?? ???? ??? ???.
    - ???? ??? ????? ??? ??
    - ???? ??? ??? ??? ???? ??? ??? ??? ???? ????, ???????? ???? ??? ??? ???? ??? ???? ?????
    - ???? ???
    ?? AI ??? ????
    ???? ???? ??????.
    2025? 06? 28? ???
    AI ??
    ?????. ????? AI ?????. ??? ???????
    12:23 ??