• HUHTIly 15. Which of the followin...
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• HUHTIly 15. Which of the following contains the least number of molecules ? (1) 4.4 g CO, (2) 3.4 g NH (3) 1.6 g CH, (4) 3.2 g SO,

NEET/Medical Exams
Chemistry
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Melen man ( 244 mathrm{g} ) 9) ( 4.4 g w_{2} ) No of moleculs ( =frac{4.4}{44} times N A=0.1 mathrm{N}_{mathrm{A}} ) (b) ( 3.4 . g mathrm{NH}_{3} ). ( mathrm{MM}=17 mathrm{g} ) ( # ) of molemes ( =frac{3.4 times N_{A}=0.2 N_{A}}{.17} ) ( 0.1 .6 mathrm{g} mathrm{CH}_{4}-mathrm{MM}=16 mathrm{g} ) No.g moteculs ( =frac{1.6}{16} times N_{A}=0.1 mathrm{NA} ) (1) ( 3.2 mathrm{g}^{5} mathrm{O}_{2} ) in ( mathrm{M}=64 mathrm{g} ) No of molecules ( =frac{3.2}{64} mathrm{xNA}=0.05 mathrm{NA} ) " Ans is
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