1.

0.4 g of an organic compound in Dumas method, gave 50 ml of nitrogen collected at 300 K and 745 mn pressure Calculate the percentage composition of nitrogen in the compound. Aqueous tension at 300 K is 15 mm.

Answer»

0.4332
0.6439
0.2242
0.1367

Solution :`V_0 =(739xx50 xx273)/(300 XX 760)=43.7 " ML"`
`" % of " N_2=(28xx43.7 XX100)/(22,400 xx 0.4) =13.67`


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