... mass of Na2 CO3 = = 1 = 53 g eqvt 2 ∴ 36.5. s. 25 Formula mass Acidity Strength of Na 2 CO 3 solution = Normality × Equivalent mass = 3.95 × 53 = 209.35 g L 1 Example 1.49. It required 90 mL 0.3 g sample of oxalic acid (COOH) 2.2H2O was ...
... OXALIC ACID AND MOHR'S SALT BRIEF THEORY Concentration of solution is usually expressed as follows: (a) Percentage. It is defined as mass ... Molar concentration (Molarity). It is defined as number of moles of solute dissolved per litre ...
... oxalic acid Solution. a. Preparation of 1 L of N/10 Na2CO3 solution: Molar mass of Na2CO3 = (2 × 23) + 12 + (3 × 16) = 106 g mol–1 We know, that the gram equivalent mass of Na2CO3 is half of the molar mass. Hence, 1000 g of solvent ...
... OXALIC ACID AND SODIUM CARBONATE 1. Concentration of Solution Concentration of solution is usually expressed as follows: (a) Percentage. It is defined as mass ... Molar concentration (Molarity). It is defined as number of moles of solute ...
Dr. S C Rastogi, , Er. Meera Goyal. Solution : Molecular mass of 1 mole of CO2 = 44 CO2 = 44 g 44 g of CO2 23 ... oxalic acid (H2C2O4.2H2O). 112 g Solution : Gram molecular mass of H2C2O4.2H2O = 126 g Now, water molecules in 1 mole ...