25cm³ of a solution contains 1.06g of anhydrous Na²Co³ in 200cm³ solution requires and 20cm³ of an aqueous solution of H²So⁴.

Question

a.what is the concentration of acid solution in mol/dm³? (Na=23,C=12,O=16)
b.calculate the mass conc
c.molar conc

Answer 1

of Na²Co³ in the solution

a. The concentration of the acid solution in mol/dm³ is 0.1 mol/dm³.
b. The mass concentration of the acid solution is 5.3 g/dm³.
c. The molar concentration of Na²Co³ in the solution is 0.04 mol/dm³.