A=abc
a=A2/b2c2=0.453/(0.8*10.0*10/8)=0.0453
A1=abc1=0.453/(0.8*10.0*10/8)*1.2*(20*c/5)=0.0453*1.2*4c
c=A1/ab=0.361/((0.453/(0.8*10.0*10)/8)*1.2)/20*5=1.66mmol/L
A=abc
a=A2/b2c2=0.453/(0.8*10.0*10/8)=0.0453
A1=abc1=0.453/(0.8*10.0*10/8)*1.2*(20*c/5)=0.0453*1.2*4c
c=A1/ab=0.361/((0.453/(0.8*10.0*10)/8)*1.2)/20*5=1.66mmol/L