mirfxmoda.ru
🔎
Adult Porn Games
|
Gay dating
|
Cams
|
Sex Dating
|
Casual Dating
h2co3 Ответ
h2co3 :
h2co3 1)2Ca+2H2O
h2co3 →
h2co3 2Ca(OH)2
h2co3 2)Ca(OH)2+2
h2co3 KNO3
More pics