Răspunsuri

2014-04-28T21:30:46+03:00
CaO + H2O ---> Ca(OH)2
56 g CaO........74 g Ca(OH)2
560 g CaO................x g Ca(OH)2             x = 740 g Ca(OH)2
74 g Ca(OH)2.........22,4 l H2O
y g Ca(OH)2..........2,24 l H2O          y = 7,4 g Ca(OH)2
masa Ca(OH)2 = x+y=740+7,4=747,4 g hidroxid
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