tlenek rtęci---->rtęć + tlen
20g = 18g + xg
x = 20g - 18g
x = 2g tlenu
mHg : mO = 18 : 2
mHg : mO = 9 : 1
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tlenek rtęci---->rtęć + tlen
20g = 18g + xg
x = 20g - 18g
x = 2g tlenu
mHg : mO = 18 : 2
mHg : mO = 9 : 1