An organic compound weighing 500 mg, produced 220 mg of on complete combustion. The percentage composition of carbon in the compound is %.

(nearest integer)

(Given molar mass in g mol of C: 12, O:

Question

An organic compound weighing 500 mg, produced 220 mg of  on complete combustion. The percentage composition of carbon in the compound is  %.

(nearest integer)

(Given molar mass in g mol of C: 12, O: 16)

Canvas Classes · Accepted Answer

Strategy:
 Calculate the Carbon contribution from the mass of  ( ratio) and determine its weight percentage in the original organic compound sample.

Step 1: Find mass of Carbon

Step 2: Calculate percentage

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