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Empirical Formula Determination

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Introduction

Name: Jonathan Tam Class: 12A Chemistry Experiment report Empirical Formula Determination Aim: To find the empirical formula of Copper oxide Equipment: Bunsen burner Boss Heatproof mat Clamp Combustion tube Delivery tube Retort Stand Mineral paper Method: 1. Put a square of mineral paper in the combustion tube. ...read more.

Middle

4. Turn on the gas tap. Let the gas flow for thirty seconds. Light the gas at the small hole at arm's length. Adjust the gas tap to make a small flame. 5. Strongly heat the copper oxide until a reaction takes place. ...read more.

Conclusion

5.78 = 1.46g Mole of copper: 5.78 / 64 = 0.0903 Mole of oxygen: 1.46 / 16 = 0.09125 Ratio: Copper : oxygen 0.0903 : 0.09125 1 : 1.0105... 1 : 1.01 Therefore the ratio of copper to oxygen is 1:1. Conclusion: The ratio of copper to oxygen is 1:1. The empirical formula of copper oxide is CuO. 1 ...read more.

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