ÀÎÅͳÝÈÇаøÇÐ+±¸±Û+³×À̹ö
ÀÚµ¿·Î±×ÀÎ
ÄÁÅÙÃ÷ | contents
ÀϹݰԽÃÆÇ
Q&A°Ô½ÃÆÇ
°øÇÐ S/W
½ºÅ͵ð | study
´ÜÀ§È¯»ê
³óµµ°è»ê
ÀϹÝÈÇÐ
È°øÀϹÝ
È°ø½Ç¹«
NaOH pH°è»ê Áú¹®µå¸³´Ï´Ù.
±Û¾´ÀÌ
:
ÀÌÇÁ
°íÀ¯ID
: rnltlr0369
³¯Â¥
: 15-07-19 18:09
Á¶È¸
: 5663
pH°¡ 13ÀÎ 3MÂ¥¸® NaOH 1L ¸¦
pH 7ÀÌ µÉ¶§±îÁö ¿ä±¸µÇ´Â ÀÌ»êÈź¼ÒÀÇ ·®À»
±¸ÇÏ°í ½Í½À´Ï´Ù.
Á¦°¡ ÀÌÁ¦ ¸· ÈÇÐ °øºÎ¸¦ ½ÃÀÛÇؼ
¸ðµÎ ÀÌÇØÇÒ¼ö ÀÖÀ»Áö ¸ð¸£°Ú½À´Ï´Ù.
ºñ±³Àû ÀÚ¼¼È÷ ´äº¯ ºÎŹµå¸³´Ï´Ù.
Stefano
15-07-20 09:24
1L¿¡ µé¾îÀÖ´Â NaOH ¸ô¼öÀÇ (1/2)¹è¿¡ ÇØ´çÇÏ´Â ¸ô¼öÀÇ CO2ÀÇ ¾çÀÌ ÇÊ¿äÇÏ´Ù°í º¸°í °è»êÇØ º¸¼¼¿ä. 3MÁ¤µµ °í³óµµÀÇ NaOH pH´Â °í·ÁÇÒ ÇÊ¿ä°¡ ¾ø½À´Ï´Ù. 3M NaOH = 3 g-mole NaOH/L
2NaOH + CO2 ---------->Na2CO3 + 2H2O...................(1a) 2¸ôÀÇ NaOH¿¡ CO2 1¸ô ¼Ò¿ä, ¶Ç´Â
NaOH + (1/2) CO2 ---> (1/2) Na2CO3 + H2O ............(1b) NaOH 1¸ô¿¡ CO2 1/2¸ô ¼Ò¿ä
1L¿¡ µé¾îÀÖ´Â NaOH ¸ô¼öÀÇ (1/2)¹è¿¡ ÇØ´çÇÏ´Â ¸ô¼öÀÇ CO2ÀÇ ¾çÀÌ ÇÊ¿äÇÏ´Ù°í º¸°í °è»êÇØ º¸¼¼¿ä. 3MÁ¤µµ °í³óµµÀÇ NaOH pH´Â °í·ÁÇÒ ÇÊ¿ä°¡ ¾ø½À´Ï´Ù. 3M NaOH = 3 g-mole NaOH/L 2NaOH + CO2 ---------->Na2CO3 + 2H2O...................(1a) 2¸ôÀÇ NaOH¿¡ CO2 1¸ô ¼Ò¿ä, ¶Ç´Â NaOH + (1/2) CO2 ---> (1/2) Na2CO3 + H2O ............(1b) NaOH 1¸ô¿¡ CO2 1/2¸ô ¼Ò¿ä
Copyright 1999.07.10-Now ChemEng.co.kr & 3D System Engineering. (mail : ykjang@naver.com, call 010-4456-8090)