1. FeCl3<span> + </span>3AgNO3<span> = </span>Fe(NO3)3<span> + </span>3AgCl↓
2. <span>Ba(OH)2 +2HNO3 = Ba(NO3)2 + H2O</span>
<span>3. CuSO4<span> + </span>2NaOH(разб.)<span> = </span>Cu(OH)2(гель)<span> + </span>Na2SO4</span>
4. BaCl2<span> + </span>Na2SO4<span> = </span>BaSO4↓<span> + </span>2NaCl
5. <em>K</em>2<em>C</em><em>O</em>3<span> + </span><em>H</em>2<em>S</em><em>O</em>4<span> = </span><em>K</em>2<em>S</em><em>O</em>4<span> + </span><em>C</em><em>O</em>2↑<span> + </span><em>H</em>2<em>O</em>
<em>6. <span>Ва(НСО3)2+Ва(ОН)2=2ВаСО3+2Н20</span></em>
<em><span>не обращай внимания на зачёркивания=) в 6 примере НСО3 дважды, ОН дважды и 2 воды =)</span></em>