1.

If 0.2 gram of an organic compound containing carbon, hydrogen and oxygen on combustion, yielded 0.147 gram carbon dioxide and 0.12 gram water. What will be the content of oxygen in the substance?

A. 73.29%            
B. 0.7845
C. 83.23%            
D. 0.895
Answer» B. 0.7845


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