Question

what is the mass percentage of oxygen in ethanol 19​

Answer 1

Answer:

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Explanation:

The percentage of Oxygen is: 16.0 g/mol ÷ 46.0 g/mol × 100 = 34.8 % of Oxygen

Answer 2

Answer:

The percentage of Oxygen is: 16.0 g/mol ÷ 46.0 g/mol × 100 = 34.8 % of Oxygen.