Question

m (CaO)-2.8 г
m (Ca (OH)2)-?
CaO+H2O=Ca (OH)2

Answer 1

Ответ:

CaO+H2O=Ca(OH)2

2,8Г-Х

56Г{Ar(Ca)=40  + Ar(O)=16} -74Г(Mr Ca(OH)2)

X=3,7Г