39. Solution to Chemistry Problem
Seller: Derkach
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Product description
- Nitrogen from a 0.8872 g sample of organic matter was converted into ammonium sulfate. Ammonia was released by boiling with concentrated alkali and absorbed by 20 ml of 0.223 N hydrochloric acid solution. The excess acid was titrated with 16.2 ml of sodium hydroxide solution (T(NaOH)=0.002720). Calculate the percentage content of nitrogen.
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