Фосфора - H2S-сероводород
1) NaCl---> Na(+)+Cl(-)
2)<span>KNO3---></span><span>K(+)+NO3(-)</span>
<span>3)<span>CaCO3---></span><span>не диссоц</span></span>
<span><span>4)<span>Na3PO4--->3</span><span>Na(+)+PO4(3-)</span></span></span>
<span><span><span>5)<span>Cu(NO3)2---><span>Cu(2+)+2NO3(-)</span></span></span></span></span>
<span><span><span><span><span>6)<span>BaSO4--- не диссоц</span></span></span></span></span></span>
<span><span><span><span><span><span>7)<span>Fe(NO3)2---><span>Fe(2+)+ 2NO3(-)</span></span></span></span></span></span></span></span>
<span><span><span><span><span><span><span><span>8)<span>Fe2(SO4)3--->2</span><span>Fe(3+)+3SO4(2-)</span></span></span></span></span></span></span></span></span>
<span><span><span><span><span><span><span><span><span>9)<span>Ca3(PO4)2--- не диссоц</span></span></span></span></span></span></span></span></span></span>
<span><span><span><span><span><span><span><span><span><span>10) <span>K2SiO3--->2</span><span>K(+)+ SiO3(2-)</span></span></span></span></span></span></span></span></span></span></span>
Я олимпиадчик по химии в Ктл-е
углерод==85,71/12=7,1425/7,14=1
водород==14,29/1=14,29/7,14=2
СН2
5000000000+900000000ⁿ00ⁿ0ⁿ0000000000000000000000000000000000000000000000000000000000000000000000000000000000000;00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000ⁿ00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000ⁿ000000000000000000000000000000000
СН3 + O-> CH2OH + H-> CH3-O-H + O-> CHOOH + t ->CO + H2O
Вроде оно. только уровнять надо.