2Na+2O2–>2Na2O
Na2O+H2O—>2NaOH
3NaOH+H3PO4–>Na3PO4+3H2O
X1 CH₄ +Cl₂ = CH₃Cl +HCl
X2 CH₃Cl + NaOHp-р = CH₃OH NaCl
X3 CH₃OH + CuO = HCOH + Cu + H₂O
X4 [Ag(NH₃)₂]OH + HCOH = Ag + HCOOH + 2NH₃ + H₂<span>O
X5 </span>HCOOH + C₃H₇OH - H₂SO₄ = HCOOC₃H₇ + H₂O
Верный ответ: [Б] <span>пропилформиат</span>
C5H11COOH+C4H9OH => C5H11COOС4Н9+Н2О
<span>3Cl2 + 6KOH</span>→KClO3 + 5KCl + 3H2O3/71=0,042 моль хлора
0,042/3=0,014 моль KClO3
0,014*84,5=1,183 гр KClO3