standard sodium carbonate solution

standard sodium carbonate solution (0.0200N)
Dissolve 1.060 g anhydrous Na2CO3 (oven dried at 140 C ) in Co2 free distilled water and dilute to 1 litre. Stock sulphuric acid (0.1N) Dilute 2.8 mL conc, H2SO4 to 1 litre with distilled water

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Sodium carbonate standard Solution (0.0200N)
Dissolve 1.060 G anhydrous Na2CO3 (Oven Dried at 140 C) in Co2 free distilled Water and diluted to 1 liter. Stock sulphuric acid (0.1N) Dilute 2.8 mL conc, H2SO4 to 1 litre with distilled water.