Odpowiedzi

2010-03-07T15:14:22+01:00
BaO + H₂O-->Ba(OH)₂

Na+H₂O--->NaOH +½H₂/*2
2Na+2H₂O--->2NaOH +H₂

Ca+2H2o-->Ca(OH)₂ +H₂
K₂O+H₂O-->2KOH
Na₂O+H₂O-->2NaOH
4 3 4
2010-03-07T15:17:16+01:00
BaO + H₂O =Ba(OH)₂
Na + H₂O=Na(OH) + 1/2H₂/*2
2Na+2H₂O=2Na(OH)+H₂

Ca + 2H₂O= Ca(OH)₂ + H₂
K₂O + H₂O= 2K(OH)
Na₂O + H₂O=2Na(OH)
Ca + H₂O= Ca(OH)₂ + H₂
2 1 2