Mg+2HCl--->MgCl2+H2
MgCl2+2NaOH(изб)--->2NaCl+Mg(OH)2
n(Mg)=4,8g/24g/mol=0,2mol
n(Mg(OH)2=n(Mg)=0,2mol
m(Mg(OH)2)=0,2mol*58g/mol=11,6g
Mg+2HCl--->MgCl2+H2
MgCl2+2NaOH(изб)--->2NaCl+Mg(OH)2
n(Mg)=4,8g/24g/mol=0,2mol
n(Mg(OH)2=n(Mg)=0,2mol
m(Mg(OH)2)=0,2mol*58g/mol=11,6g