31. A mixture of Na2CO3 and NaHCO3 having a total weight of 100g. On heating with O2 produces 11.2litres of CO2 under STP conditions , the percentage of Na2CO3 in that mixture
Na2co3 | Sigma-Aldrich
Sodium carbonate; Na2CO3 (Anhydrous) - Cepham Life Sciences Research Products