Na2CO3 + 2HCl → 2NaCl + H2O + CO2↑
n(1/2Na2CO3) = n(1/1HCl)
m(Na2CO3) / M(1/2Na2CO3) = C(1/1HCl)*V(HCl)
0,1000/(106,0/2) = С (1/1HCl)*0,015
С (1/1HCl)=0,1258 моль/л (0,1258 Н)
Т (HCl/Na2CO3) = C(1/1HCl)*M(1/2Na2CO3)/1000=0,1258*(106/2)/1000=0,006667 г/мл