calculate mass of oxalic acid dehydrate required to prepare 0.1M 250 ml of its solution(C2H2O4 2H2O)
Answers
Answer:
Calculate the mass of oxalic acid (H2C2O4.2H2O) needed to prepare 250 ml,1 M aqueous solution of oxalic acid.
Molecular weight of oxalic acid (H2C2O4.2H2O) is 126 g/mol.
Molarity of 0.2 N oxalic acid (H2C2O4.2H2O) solution =0.2/2 =0.1M
Amount of solution =50 mL =0.05 L So, amount of oxalic acid =126×0.1×0.05 =0.63 g
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