Question

A sample containing 0.4775g of (NH4)2C2O4 and inert materials was dissolved in water and made strongly alkaline with KOH ,which converted NH+4 to NH3.The liberated ammonia was distilled into exactly 50.0ml of 0.05035M H2SO4.The excess H2SO4 was back titrated with 11.3ml of 0.1214M NaOH.Calculate percent of N,percent of (NH4)2C2O4.(Mol.wt of (NH4)2C2O4=124.10 and at .wt.of N=14.0078)

Answer 1

Explanation:

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