CH≡C-CH2-CH2-CH-CH3 + HOH =(кат Hg^2+)= CH3-C-CH2-CH2-CH-CH3
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CH3 O CH3
Образуется 5-метил-гексанон-2
Ответ:
дано
m(CH3COOH) = 44 g
m(C2H5OH) = 52 g
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m(CH3COOC2H5)-?
M(CH3COOH) = 60 g/mol
n(CH3COOH) = m(CH3COOH) / M(CH3COOH) = 44 / 60 = 0.73 mol
M(C2H5OH) = 46 g/mol
n(C2H5OH) = m(C2H5OH) / M(C2H5OH) = 52 / 46 = 1.13 mol
n(CH3COOH) < n(C2H5OH)
M(CH3COOC2H5) = 88 g/mol
CH3COOH+C2H5OH-->CH3COOC2H5+H2O
n(CH3COOH) = n(CH3COOC2H5) = 0.73 mol
m(CH3COOC2H5) = n(CH3COOC2H5) * M(CH3COOC2H5)
m(CH3COOC2H5) = 0.73 * 88 = 60.59 g
ответ 60.59 г
Объяснение:
2. <span>S + Zn = ZnS
</span><span>2 ZnS + 3 O2 = 2 SO2 + 2 ZnO
</span><span>2 SO2 + O2 = 2 SO<span>3
</span></span><span>SO3 + H2O = H2SO<span>4
1. </span></span><span>H2SO4 + NaOH = H2O + Na2SO4
</span> <span>H2SO4 + BaCl2 = BaSO4 + 2 HCl
</span> <span>H2SO4 + Mg = H2 + MgSO4</span>
<span>H2SO4 + CuO = CuSO4 + H2O</span>
<span>3H2SO4 + 2Al(OH)3 → Al2(SO4)3 + 6H2O</span>