6 2 g of a sample containing Na2CO3 NaHCO3 and non volatile

Last updated: 6/28/2023

6 2 g of a sample containing Na2CO3 NaHCO3 and non volatile inert impurity on gentle heating loses 5 of its weight due to reaction 2NaHCO3 Na2CO3 H O CO Residue is dissolved in water and formed 100 mL solution and its 10 mL portion requires 7 5 mL of 0 2 M aqueous solution of BaCl2 for complete precipitation of carbonates Determine weight in gram of Na2CO3 in the original sample A 1 59 B 1 06