Take 20mg Ammonia soln and make up it 100 ml... then it is Prepered 50 ppm

How to prepare 50 ppm ammonia solution form 25% ammonia
solution?

Question Posted / paresh jobanputtra , cadila

Take 20mg Ammonia soln and make up it 100 ml...
then it is Prepered 50 ppm of ammonia soln....

Paresh Jobanputtra....Cadila

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