21. 0.45 gram of an organic compound gave 0.792 to gram of co2 and 0.324 gram of h2o on combustion. 0.24 gram of same substance was analysed by kjeldahl method and the ammonia formed was absorbed in 50 cm3 of m/8 h2so4 . The excess acid require 77 cm3 of m/10 naoh for complete neutralization. Calculate the percent of carbon, nitrogen and hydrogen in the compound.
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it should be 500/100% = -2(-3)/1.20
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