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किसी कार्बनिक यौगिक में 69%C, 4.8%H तथा शेष ऑक्सीजन है। इस यौगिक के 0.20 ग्राम के पूर्ण दहन के फलस्वरूप उत्पन्न कार्बन डाइऑक्साइड तथा जल की मात्राओं की गणना कीजिए।

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% C =`(12xxCO_2 "की मात्रा" xx 100)/("कार्बोनिक यौगिक की मात्रा ")`
69=`(12 xx CO_2 "की मात्रा " xx 100)/(44 xx 0.2)`
`therefore CO_2` = 0.506 ग्राम
% H= `(" 2 x जल की मात्रा x 100")/(" 18 x कार्बोनिक यौगिक की मात्रा ")`
`4.8=( "2 x जल की मात्रा x 100")/(18 xx 0.2)`
`therefore` जल की मात्रा =0.0864 ग्राम

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