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Find the percentage of nitrogen in an organic compound analysed by Kjeldahl method. 1.61g of the compound produced NH_(3) which was absorbed in 250 mL of (N)/(2) H_(2)SO_(4) solution. The remaining acid was then diluted to one litre, 25mL of which required 25.5mL of N/10 NaOH for exact neutralization. |
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