Q.

In Dumas’ method for estimation of nitrogen 0.3g organic compound gave 50mL of nitrogen collected at 300K temperature and 715 mm pressure. Calculate the percentage composition of nitrogen in the compound (Aqueous tension at  300K=15mm )

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a

8.46%

b

64.46%

c

17.46%

d

34.46%

answer is A.

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Detailed Solution

percentage of nitrogen = V8W

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In Dumas’ method for estimation of nitrogen 0.3g organic compound gave 50mL of nitrogen collected at 300K temperature and 715 mm pressure. Calculate the percentage composition of nitrogen in the compound (Aqueous tension at  300K=15mm )