<span>1. P2O5</span><span> + </span><span>H2O</span><span> = </span>2<span>HPO<span>3
2. </span></span><span>B2O3 + 3H2O = 2H3BO<span>3
3. N</span></span><span>a2O + H2O = 2NaOH
4. </span>P2O5 <span>+ 3H2O = 2H3PO4</span>
<span>MgCl</span>₂ <span>+ 2NaOH = Mg(OH)</span>₂ <span>+ 2NaCl
Mg</span>⁺² <span>+ 2Cl</span>⁻ <span>+ 2Na</span>⁺ <span>+ 2OH</span>⁻ <span>= Mg(OH)</span>₂<span>+ 2Na</span>⁺ <span>+ 2Cl</span>⁻
<span>Mg</span>⁺² <span>+ 2OH</span>⁻ <span>= Mg(OH)</span>₂
<span>
MgCl</span>₂ <span>+ 2AgNO</span>₃ <span>= 2AgCl + Mg(NO</span>₃<span>)</span>₂<span>
Mg</span>⁺²<span> + 2Cl</span>⁻ <span>+ 2Ag</span>⁺ <span>+ 2NO</span>₃⁻ <span>= 2AgCl + Mg</span>⁺² <span>+ 2NO</span>⁻
<span>2Ag</span>⁺ <span>+ 2Cl</span>⁻ <span>= 2AgCl
MgCl</span>₂ <span>+ Na</span>₂<span>CO</span>₃ <span>= MgCO</span>₃ <span>+ 2NaCl
Mg</span>⁺² <span>+ 2Cl</span>⁻ <span>+ 2Na</span>⁺ <span>+ CO</span>₃²⁻ <span>= MgCO</span>₃ <span>+ 2Na</span>⁺ <span>+ 2Cl</span>⁻
<span>Mg</span>⁺² <span>+ CO</span>₃²⁻ <span>= MgCO</span>₃
<span>
MgCl</span>₂ <span>+ H</span>₂<span>SO</span>₄ <span>= MgSO</span>₄ <span>+ 2HCl
Реагирует при условии, что конц серная кислота прикапывается к соли, хлороводород улетает. В водном растворе не реагирует</span>
0.5184г хмоль ул
2Al + 6HCl = 2AlCl3 + 3Н2
54г 2моль 67,2л
х= 0,5184*2/54=0,0216моль n(AlCl3)
у=0,5184*67,2/54=0,64512л V(H2)
