Problems in combustion analysis

قسم تخصصات البكالوريوس
1

Determine the mass of CO2 and H2O produced by the combustion of 1.05 g of a compound with empirical formula CH4O ?

THE FINAL ANSWER IS 1.44 OF CO2 AND 1.88 OF H2O

HOW CAN WE DESTROY THIS PROBLEM?

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لو حاط مسألة في قسم الفزكس كان ماخذت نص ساعه الا والف واحد حالينها

4

Mass of C in 1.05 g of CH4O = (12/(12+4+16)) x 1.05g
= 0.39375 g
Mass of CO2 produced = ((12 + 16*2)/12) x 0.39375g = 1.44 g

Mass of H in 1.05g of CH4O = (4/(12+4+16)) x 1.05g
= 0.13125 g
Mass of H2O produced = (18/2) x 0.13125g = 1.18 g
not 1.88 !!