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Preparation of Standard Oxalic Acid 0.5 N Preparation Equipment and Materials baking soda 1 Oxalic Acid Crystals (H 2 C 2 O 4 2H 2 O) 2 Glass Tubes 3.Labu baking soda Measure 250 ml of distilled water 4 Funnel CO2 5. How it Works 1 Weigh 7879.4 mg oxalic acid crystals in the watch glass 2 Enter in the 250 mL volumetric flask quantitatively through a funnel, then add distilled water up to half the volume of volumetric flask, shake until completely dissolved 3 Add more distilled baking soda water to the mark 4 mix until homogeneous calculation formula mg H 2 C 2 O 4 = V x N x BE = 250 x 0.5 x 63.035 = 7879 mg V = Volume of water (ml) N = BE = Weight Equivalent Normalized H 2 C 2 O 4 2H 2 O BE Oxalic Acid (H 2 C 2 O 4 2H 2 O) = BM H 2 C 2 O 4 2H 2 O
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