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1. CaO
mCaO=?
mCa=40 u
mO=16 u
mCaO=40+16=56 u
2Ca+O2-->2CaO
2.Al2O3
mAl2=27*2=54 u
mO3=16*3=48u
mAl2O3=54+48=102 u
4Al+3O2---> 2Al2O3
3.MgO
mMg=24 u
mMgO=24+16=40 u
2Mg+O2--->2MgO
4.Li2O
MLi2=7*2=14 u
mLi2O= 30 u
4Li+02--->2Li2O
5. CO2
mC=12 u
mO2=16*2=32 u
MCO2=44u
C+O2-->CO2
6. Fe2O3
MFe2=56*2=112 u
mO3=16*3=48 u
MFe2O3=12+48=60u
4Fe+3O2--->2 Fe2O3
7.BaO
mBa=137 u
mBao=153 u
2Ba+O2-->2BaO
8.ZnO
mZn=65 u
mZnO=65+16=81 u
2Zn+O2--->2ZnO
9.P2O5
mP2=31*2=62 u
mO5=16*5=80 u
MP2O5=142 u
4P+5O2-->2P2O5
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1. CaO
mCaO=?
mCa=40 u
mO=16 u
mCaO=40+16=56 u
2Ca+O2-->2CaO
2.Al2O3
mAl2=27*2=54 u
mO3=16*3=48u
mAl2O3=54+48=102 u
4Al+3O2---> 2Al2O3
3.MgO
mMg=24 u
mO=16 u
mMgO=24+16=40 u
2Mg+O2--->2MgO
4.Li2O
MLi2=7*2=14 u
mO=16 u
mLi2O= 30 u
4Li+02--->2Li2O
5. CO2
mC=12 u
mO2=16*2=32 u
MCO2=44u
C+O2-->CO2
6. Fe2O3
MFe2=56*2=112 u
mO3=16*3=48 u
MFe2O3=12+48=60u
4Fe+3O2--->2 Fe2O3
7.BaO
mBa=137 u
mO=16 u
mBao=153 u
2Ba+O2-->2BaO
8.ZnO
mZn=65 u
mO=16 u
mZnO=65+16=81 u
2Zn+O2--->2ZnO
9.P2O5
mP2=31*2=62 u
mO5=16*5=80 u
MP2O5=142 u
4P+5O2-->2P2O5