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Potassium Chlorate Procedure
The law of definite p |
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The law of definite proportion states that different samples of a pure compound always contain the same elements in the same proportions by mass (Law, 2005). For example, sodium chloride always contains 39.3% sodium and 60.7% chlorine by mass. In this experiment, a sample of potassium chlorate was thermally decomposed to determine the mass percent of oxygen in the compound. A crucible containing 0.1g MnO2 catalyst was weighed, and 20g KClO3 was added, and the crucible and contents reweighed. A thermometer was placed in the crucible, and the crucible heated with a Bunsen burner (Manganese, 2005; Potassium, 2005). The crucible was
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Category: Science - P
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Observations Mass, Introduction Procedure, Retrieved July, potassium chlorate, mass percent oxygen, percent oxygen, mass percent, References Law, mass crucible, 6 2005, july 6, retrieved july 6, retrieved july, Description%20of%20Chemical Potassium, july 6 2005, mass crucible heating, = mass, mass potassium, crucible heating, crucible contents reweighed,
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