ํ์ฌ ๋ ๋ฒจ: 27
50
*ฬฃฬฉโฬฉๆฐด้
ธๅใใใชใฆใ NaOHโ
*โฬฉ*ฬฃฬฉใฑใผใใผๅข*โ๏ธ*ฬฃฬฉโฬฉAtRใใพใขใชๅๆฆโ๏ธ
0
0
-
-
0