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Example 2 : A 0.6430g sample of a water-soluble fertilizer was dissolved and analyzed for nitrogen using the Kjeldahl method. After digestion, the distilled ammonia

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Example 2 : A 0.6430g sample of a water-soluble fertilizer was dissolved and analyzed for nitrogen using the Kjeldahl method. After digestion, the distilled ammonia was collected in 100mL of 0.334M boric acid. This solution required 21.40mL of 0.2020MHCl for titration to the methyl red end point. Calculate the %N in the fertilizer

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