Успіхів!!!!!!!!!!!!!!!!
Успехов!!!!!!!!!!!!!!!!!!!
А) - 5)
NH₄Cl + NaOH = NaCl + NH₃ + H₂O
Б) - 2)
NaCl(тв.) + H₂SO₄(конц.) = NaHSO₄ + HCl
В) - 4)
Zn + 2H₂SO₄(конц.) = ZnSO₄ + SO₂ + 2H₂O
<em>Ответ: А-5), Б)-2), В)-4)</em>
<span>2 Na + 2 H2O = H2 + 2 NaOH
</span><span>2 NaOH + H2SO4 = 2 H2O + Na2SO<span>4
</span></span><span>Na2SO4 + Ca(NO3)2 = CaSO4 + 2 NaNO<span>3
</span></span><span>2 NaNO3 = 2 NaNO2 + O<span>2</span></span>