Question

2.8 g of an ammonium salt when heated with excess of NaOH solution and the gas evolved was passed into 150cm3 of 0.25 M H2SO4. The residual acid required 63.0 cm 3 of 0.5 M NaOH for complete neutralisation. Calculate the percentage of ammonia in the ammonium salt.

Answer 1

Explanation:

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