1)4
2)2
3)-
4)3
5)_
6)1
7)3,5
8)
А 5
Б 2
В 2
9)1 -Na+ H2O= Na2O + H2
2- Na2O+ H2O= 2Na(OH)
3- 2Na(OH)+ H2SO4= Na2SO4+ 2H2O
CH₂=CH₂ + HCl = CH₃-CH₂Cl
2CH₃-CH₂Cl + 2Na = CH₃-CH₂-CH₂-CH₃ + 2NaCl
2CH3COOH + Zn -> (CH3COO)2Zn + H2⬆️
уксусная кислота + цинк -> ацетат цинка + водород
2CH3COOH + CuO -> (CH3COO)2Cu + H2O
уксусная кислота + оксид меди(II) -> ацетат меди(II) + вода
<span><span>4 Li</span> + <span>O2</span> → <span>2 <span>Li2O
</span></span></span><span><span>2 Na</span> + S → <span>Na2S
</span></span><span><span>2 K</span> + <span>Cl2</span> → <span>2 <span>KCl
</span></span></span><span>Al + C → <span>AlC
</span></span><span><span>3 <span>Ca</span></span> + <span>2 <span>P</span></span> → <span>Ca3P2</span></span>
СH3OH + CH3COOH -> CH3C00CH3 + H2O
m.кислоты = 150*0,6 = 90 г., nкислоты = 90/60 = 1,5 г/моль
m.эфира = 1.5 * 74 =111 г