p=m/V
m(р-ра)=1,014 кг
w(CaCl2)=2%
m(CaCl2)=0.02*1.014=0.02028
n(CaCl2)=0.02028/40=5.07*10^-4
C=n/V
C=5.07*10^-4
p=m/V
m(р-ра)=1,014 кг
w(CaCl2)=2%
m(CaCl2)=0.02*1.014=0.02028
n(CaCl2)=0.02028/40=5.07*10^-4
C=n/V
C=5.07*10^-4