An organic compound has carbon, hydrogen and remainder is oxygen. If its molecular weight is , then its molecular formula is:

Question

An organic compound has  carbon,  hydrogen and remainder is oxygen. If its molecular weight is , then its molecular formula is:

Canvas Classes · Accepted Answer

Strategy:
 Determine the empirical formula by calculating the molar ratios of Carbon, Hydrogen, and Oxygen from their weight percentages. Use the provided molecular weight () to find the multiplier for the molecular formula.

Step 1: Calculate atomic ratios
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Ratios: . This corresponds to sucrose empirical unit  or simpler:
Empirical formula  matches .

Step 2: Verify molecular weight
.

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