CaCl2+Na2CO3=CaCO3+2NaCl
mраствор CaCl2=100x1.11=111
mвещество CaCl2=111x10/100=11.1г
nCaCl2=11.1/111=0.1
mвещество Na2CO3=106x20/100=21.2
n Na2CO3=21.1/106=0.2
mраствор=111+106=217
mвещество NaCl=0.2x58.5=11.7
wNaCl=11.7/217 x100%=5.39%
CaCl2+Na2CO3=CaCO3+2NaCl
mраствор CaCl2=100x1.11=111
mвещество CaCl2=111x10/100=11.1г
nCaCl2=11.1/111=0.1
mвещество Na2CO3=106x20/100=21.2
n Na2CO3=21.1/106=0.2
mраствор=111+106=217
mвещество NaCl=0.2x58.5=11.7
wNaCl=11.7/217 x100%=5.39%