1000mL,2mol/L盐酸里HCl的物质的量=1L * 2mol/L=2mol
Mg+2HCl=H2↑+MgCl2 MgCl2+2NaOH=Mg(OH)2↓+2NaCl → HCl~NaOH
2Al+6HCl=3H2↑+2AlCl3 AlCl3+3NaOH=Al(OH)3↓+3NaCl → HCl~NaOH
2Na+2H2O=2NaOH+H2↑ → Na ~NaOH
总之,有关系式:
HCl~NaOH ~ Na
1mol 23g
2mol x
X=46g
1000mL,2mol/L盐酸里HCl的物质的量=1L * 2mol/L=2mol
Mg+2HCl=H2↑+MgCl2 MgCl2+2NaOH=Mg(OH)2↓+2NaCl → HCl~NaOH
2Al+6HCl=3H2↑+2AlCl3 AlCl3+3NaOH=Al(OH)3↓+3NaCl → HCl~NaOH
2Na+2H2O=2NaOH+H2↑ → Na ~NaOH
总之,有关系式:
HCl~NaOH ~ Na
1mol 23g
2mol x
X=46g