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  ±Û¾´ÀÌ : ºêÀÌÄÜ   °íÀ¯ID :      ³¯Â¥ : 15-12-19 01:50     Á¶È¸ : 4599    
pH 4ÀÇ Æó¼ö 750 §© ÀÌ Àִµ¥
 
NaOH 20% ¸¦ ÀÌ¿ëÇÏ¿© pH 8·Î  ¸¸µé·Á ÇÒ¶§
 
ÇÊ¿äÇÑ NaOHÀÇ ¾çÀº ¾ó¸¶Àΰ¡¿ä?

½ºÅ×Æijë Stefano   15-12-20 12:43
(1) pHÀÇ Á¤ÀǷκÎÅÍ  H+  ÀÌ¿ÂÀÇ ¸ô³óµµ Â÷¸¦ °è»êÇÏ¿© L´ç H+ ÁßÈ­¿¡ ÇÊ¿äÇÑ NaOHÀÇ ¾çÀ» °è»êÇÏ¸é µË´Ï´Ù.

(pH) = -log [H+].............(1) 
[H+], g-mole/Lv = 10^(-pH)...........(2)

¥Ä[H+], g-mole/L = [H+]1-[H+]2.....(3)    [H+]1 = 10^(-4) g-mole/L,  [H+2]2 = 10^-8 g-mole/L
¥Ä[OH-], g-mole/L= ¥Ä[H+] ..............(4)

(2) Á÷Á¢°è»êÇؼ­ °á°ú¸¦ ´ä±Û·Î ¿Ã¸®¼¼¿ä.
±è¼ºÁÖ    16-01-14 16:24
10^(-8)mole/L * 40g/mole *750m3*1,000L/m3*5=1.5g

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