Bài 1:
\(CH_4\) : mêtan
O2 :khí Oxy
a) Zn3 (PO4)2 ==> PTK= 3. 65+2.(31+4.16)=385 (đvC)
b) H2SO4 ==> PTK=2.1+32+4.16=128(đvC)
c) Fe2O3 ==> PTK= 2.56+3.16=160(đvC)
d)MgCO3 ==> PTK= 24+12+3.16=84(đvC)
e)Al(OH)3 ==> PTK= 27+3.(16+1)=78(đvC)
ZnO , FEO , CACO3 , KNO3 , NAOH , CUCL2 , AL2O3 , SO2 , H2S
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