Răspuns :
M H₂SO₄=(2*1)+32+(4*16)=34+64=98 g
M CaO= 40+16=56g
M MgCO₃= 24+12+(16*3)=84g
M CO₂= 12+(16*2)= 44g
M Al₂O₃= (2*27)+(3*16)=102g
M CaO= 40+16=56g
M MgCO₃= 24+12+(16*3)=84g
M CO₂= 12+(16*2)= 44g
M Al₂O₃= (2*27)+(3*16)=102g