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Decomposition
Beginning of paper
Purpose: In this lab we will observe the products of of potassium
perchlorate (KClO4). We will then predict from our results the correct chemical
reaction equation.
Procedure: 1. Weigh out about 4.0g of KClO4 in a test tube. Record the
accurate weight below. Product Weight Before Weight After Mass of Test tube +
KClO4 41.5g 39.8g Mass of Test ....
Middle of paper ....2g = 1.9g 5 Percent
Yield: 89% O2 lost 1.7g ΒΈ O2 Expected 1.9g
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Word count: 253 |
Page count: 1 |
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