СH3 - С(J) = СH - СH(J) - СH2 - СH3
Cucl+h2o
ba(so4)2+h2o
naso4+k(oh)2
agcl2+ca (no3)2
CaO+H20=Ca(OH)2
<span>SO3+CaO=CaSO4</span>
<span>CaO=2MgSO4=<span> 2MgO + CaSO4</span></span>
3CaO + 2<span>H3PO4</span> = 3Ca(PO4)2 + 3H2O
последняя вообще не существует
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LEVFNM YFLJ?"NJ TCNM D BNTHYTNT
2H2+O2=2H2O
2H2O+4KO2=4KOH
2KOH +H2SO3=K2SO3+H2O
K2SO3+ 2HCI =2KCI+H2SO3
2KCI+H2SO4=K2SO4+2HCI