Complete combustion of of organic compound (C, H, O) gives and . % oxygen in compound is (nearest integer)

Question

Complete combustion of  of organic compound (C, H, O) gives   and  . % oxygen in compound is  (nearest integer)

Canvas Classes · Accepted Answer

Strategy:
 First, calculate the mass of Carbon and Hydrogen in the organic sample from the combustion products. Subtract these from the total sample mass to find the mass of Oxygen, then calculate the percentage.

Step 1: Find masses of components
- Mass C .
- Mass H .

Step 2: Find mass of Oxygen

Step 3: Calculate percentage

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